NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-00-061-4650
Self-Locking Hexagon Nut P/N 26110R1
In stock — 626 on our U.S. shelfNSN 5310-00-061-4650 5310000614650 NIIN 000614650
SECO Parts has 626 in stock of NSN 5310-00-061-4650 — Self-Locking Hexagon Nut — on our own shelf in Augusta, GA: a stocking supplier, not a broker.
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-LOCKING HEX
- Federal supply class
- FSC 5310 — Nuts and Washers
- Used on
- MRAP - Cougar TOW
- Platform
- MRAP parts
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New | NE | 626 |
| Total | 626 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-00-061-4650 000614650 26110R1 114356A M45913/3-4CG8C MS51943-31 MS51943-1
In the parts manual
| Manual | Figure | Item | Fits |
|---|---|---|---|
| TM 9-2320-280-24P | Fig. 5 — Engine and Transmission Oil Cooler and Engine Oil Cooler Lines | 7 | HMMWV: All models |
| TM 9-2320-280-24P | Fig. 13 — Fuel Tank Supply and Return Lines, (Early Models) | 18 | HMMWV: All A0 and A1 models, plus M1121 |
| TM 9-2320-280-24P | Fig. 14 — Fuel Tank Supply and Return Lines, (Current Models) | 24 | HMMWV: All models |
| TM 9-2320-280-24P | Fig. 15 — Fuel Tank Assembly and Mounting Straps | 3 | HMMWV: All A0 and A1 models, plus M1121 |
| TM 9-2320-280-24P | Fig. 16 — Fuel Tank Assembly and Mounting Straps | 3 | HMMWV: All A2 models, plus M1123 |
| TM 9-2320-280-24P | Fig. 17 — Fuel Filter Pipe Assembly and Vent Lines | 9 | HMMWV: All models |
| TM 9-2320-280-24P | Fig. 18 — Fuel Tank Vent Line, Filter, and Mounting Hardware | 4 | HMMWV: All models |
| TM 9-2320-280-24P | Fig. 18 — Fuel Tank Vent Line, Filter, and Mounting Hardware | 10 | HMMWV: All models |
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
- Thread direction
- Right-Hand
- Nut height
- 0.328 in maximum
- Surface treatment document and classification
- Overall Except Insert Fed Spec Single Treatment Response QQ--416,TY 2,CL 3
- Width across flats
- 0.428–0.439 in
- Locking feature
- Prevailing Torque with Nonmetallic Insert
- Material
- Locking Insert Plastic Polyamide Nylon
- Temp rating
- Fahrenheit Nominal 250.0
- Thread series
- Unified National Coarse (UNC)
- Thread quantity per inch
- 20
- Hardness rating
- Rockwell C Minimum 26.0 and Rockwell C Maximum 35.0
- Thread class
- 3B
- Surface treatment
- Overall Cadmium and Chromate
- Bearing surface type
- Chamfered or Washer Faced
- Material
- Nut Steel
- Nominal thread size
- Inches 0.250
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
26110R1 114356A M45913/3-4CG8C MS51943-31
Also referenced as
MS51943-1
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 | HD hundred |
| 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 5310-00-061-4650?
NSN 5310-00-061-4650 (5310000614650) — Self-Locking Hexagon Nut: SECO Parts has 626 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 5310-00-061-4650 available?
SECO Parts has 626 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-00-061-4650 cost?
SECO quotes NSN 5310-00-061-4650 on request, usually the same business day.
What does NSN 5310-00-061-4650 fit?
The federal catalog lists NSN 5310-00-061-4650 as used on: MRAP - Cougar TOW. SECO lists it under MRAP parts.
What part numbers cross-reference to NSN 5310-00-061-4650?
Part numbers that cross-reference this NSN include 26110R1, 114356A, M45913/3-4CG8C, MS51943-31. It is also referenced by older, superseded or advisory numbers: MS51943-1. 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.