Catalog › Hardware and Abrasives › FSC 5310 › 5310-00-814-0673
Self-Locking Hexagon Nut P/N M45913/3-5CG8C
In stock — 354 on our U.S. shelfNSN 5310-00-814-0673 5310008140673 NIIN 008140673
SECO Parts has 354 in stock of NSN 5310-00-814-0673 — Self-Locking Hexagon Nut — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Low-cost part: quoted by the line, $50 minimum per line; quantity pricing on request.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- NUT,SELF-LOCKING,HEXAGON
- SECO description
- NUT, SELF LOCK,HEX
- Federal supply class
- FSC 5310 — Nuts and Washers
- Used on
- MRAP - Cougar CAT1 A2
- Platform
- MRAP parts
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New | NE | 329 |
| New Surplus | NS | 25 |
| Total | 354 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-00-814-0673 008140673 M45913/3-5CG8C MS51943-33 9419455 12Z2003-17 13014410-17 456720113200
In the parts manual
| Manual | Figure | Item | Fits |
|---|---|---|---|
| TM 9-2320-280-24P | Fig. 74 — 200 AMP Umbilical Power Cable | 8 | HMMWV: M1097, M1097A1, M1097A2, M1123 |
| TM 9-2320-280-24P | Fig. 83 — Body Wiring Harness – Partial View | 25 | HMMWV: All A0 and A1 models, plus M1121 |
| TM 9-2320-280-24P | Fig. 144 — Front Control Arms, Ball Joints, and Mounting Hardware | 4 | HMMWV: All A0 and A1 models, plus M1121 |
| TM 9-2320-280-24P | Fig. 152 — Rear Control Arms, Ball Joints, and Mounting Hardware | 4 | HMMWV: All A0 and A1 models, plus M1121 |
| TM 9-2320-280-24P | Fig. 153 — Parking Brake Hand Lever and Cable | 25 | HMMWV: M966, M998, M1025, M1026, M1038, M1043 and 4 more |
| TM 9-2320-280-24P | Fig. 154 — Parking Brake Rod and Related Parts | 6 | HMMWV: All models |
| TM 9-2320-280-24P | Fig. 169 — Steering Column, Wheel, and Intermediate Shaft | 33 | HMMWV: All A2 models, plus M1123 |
| TM 9-2320-280-24P | Fig. 189 — Brake Protection Guard (Front) | 6 | HMMWV: All A2 models, plus M1123 |
From the Army repair parts manual's parts list and its usable-on codes. The figure page shows the exploded drawing and every other part in the assembly.
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Hardness rating
- Rockwell C Minimum 26.0 and Rockwell C Maximum 35.0
- Width across flats
- 0.489–0.502 in
- Bearing surface finish
- Microinches 110.0
- Material
- Locking Insert Plastic Polyamide Nylon
- Nominal thread size
- Inches 0.312
- Surface treatment
- Overall Except Insert Cadmium
- Surface treatment document and classification
- Overall Except Insert Fed Spec Single Treatment Response QQ--416,TY 2,CL 3
- Thread class
- 3B
- Thread direction
- Right-Hand
- Material
- Nut Steel
- Temp rating
- Fahrenheit Nominal 250.0
- Thread series
- Unified National Coarse (UNC)
- Thread quantity per inch
- 18
- Nut height
- 0.359 in maximum
- Locking feature
- Prevailing Torque All Nonmetallic Design or Prevailing Torque with Nonmetallic Insert
- Lubrication
- Dry Film Lubricant
- Bearing surface type
- Chamfered or Washer Faced
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
M45913/3-5CG8C MS51943-33
Also referenced as
9419455 12Z2003-17 13014410-17 456720113200
Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | D DLA/GSA stocked — stocked by DLA or GSA and issued from central stock |
| Unit of issue | EA each |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | N No hazardous material |
Source: public FLIS/PUB LOG cataloging data.
Why buy from SECO
These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.
In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered
FAQ
What is NSN 5310-00-814-0673?
NSN 5310-00-814-0673 (5310008140673) — Self-Locking Hexagon Nut: SECO Parts has 354 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for self-locking hexagon nut in federal supply class 5310 (Nuts and Washers).
Is NSN 5310-00-814-0673 available?
SECO Parts has 354 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-00-814-0673 cost?
NSN 5310-00-814-0673 is a low-cost part, so SECO quotes it by the line rather than by the piece: there is a $50 minimum per line, and quantity pricing on request — usually answered the same business day.
What does NSN 5310-00-814-0673 fit?
The federal catalog lists NSN 5310-00-814-0673 as used on: MRAP - Cougar CAT1 A2. SECO lists it under MRAP parts.
What part numbers cross-reference to NSN 5310-00-814-0673?
Part numbers that cross-reference this NSN include M45913/3-5CG8C, MS51943-33. It is also referenced by older, superseded or advisory numbers: 9419455, 12Z2003-17, 13014410-17, 456720113200. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names NUT,SELF-LOCKING,HEXAGON. Same name is not the same part: check the part numbers.