NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-00-768-0319
Plain Hexagon Nut P/N MS51968-2
In stock — 508 on our U.S. shelfNSN 5310-00-768-0319 5310007680319 NIIN 007680319
SECO Parts has 508 in stock of NSN 5310-00-768-0319 — Plain 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,PLAIN,HEXAGON
- SECO description
- NUT, PLAIN HEX
- Federal supply class
- FSC 5310 — Nuts and Washers
- Used on
- Airborne Mobile Dir Air Spt CT; B-1 Support Equipment; Compressors; Fire Pumps; Shipboard Material Handling EQ; Aircraft; Main Feed Pumps; MRAP-Caiman; RG-33 Auv MRAP; MRAP - M-ATV UI; High-Mobility Artillery Rocket System (HIMARS)
- Platform
- MRAP parts
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 502 |
| New | NE | 6 |
| Total | 508 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-00-768-0319 007680319 MS51968-2 NT6-8CA HS14-690-425 859158-00 20-115 852987-00 325-4 CSN46261 100640 650457
In the parts manual
| Manual | Figure | Item | Fits |
|---|---|---|---|
| TM 9-2320-280-24P | Fig. 35 — Generator, 60 AMP, 100 AMP, Belts, Pulley, and Mounting Hardware | 19 | HMMWV: All A0 models except M996, M997, M1097; all A1 models except M996A1, M997A1, M1097A1, plus M1121 |
| TM 9-2320-280-24P | Fig. 43 — Generator Assembly (60 AMP) | 49 | HMMWV: All A0 models except M996, M997, M1097; all A1 models except M996A1, M997A1, M1097A1, plus M1121 |
| TM 9-2320-280-24P | Fig. 62 — Blackout Lamp and Headlight Assembly | 27 | HMMWV: All models |
| TM 9-2320-280-24P | Fig. 487 — Kit, Rear Hatch Support | 11 | HMMWV: M1025, M1025A1, M1025A2, M1026, M1026A1, M1043 and 4 more |
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
- Bearing surface type
- Chamfered or Washer Faced
- Material
- Overall Steel
- Nominal thread size
- Inches 0.250
- Thread quantity per inch
- 28
- Surface treatment
- Overall Cadmium and Chromate
- Surface treatment document and classification
- Overall Fed Spec Single Treatment Response QQ--416,TY 2,CL 3
- Hardness rating
- Brinell Standard Minimum 121.0
- Width across flats
- 0.4280–0.4375 in
- Nut height
- 0.212–0.226 in
- Thread class
- 2B
- Thread series
- UNF
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
MS51968-2 NT6-8CA HS14-690-425 859158-00 20-115 852987-00 325-4 CSN46261 100640 650457 MS35690-425 251285
Also referenced as
22A4C1 120367 81334638 98J185PC28 23384R1 121902 AF325-4
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 5310-00-768-0319?
NSN 5310-00-768-0319 (5310007680319) — Plain Hexagon Nut: SECO Parts has 508 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for plain hexagon nut in federal supply class 5310 (Nuts and Washers).
Is NSN 5310-00-768-0319 available?
SECO Parts has 508 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-00-768-0319 cost?
SECO quotes NSN 5310-00-768-0319 on request, usually the same business day.
What does NSN 5310-00-768-0319 fit?
The federal catalog lists NSN 5310-00-768-0319 as used on: Airborne Mobile Dir Air Spt CT; B-1 Support Equipment; Compressors; Fire Pumps; Shipboard Material Handling EQ; Aircraft; Main Feed Pumps; MRAP-Caiman; RG-33 Auv MRAP; MRAP - M-ATV UI; High-Mobility Artillery Rocket System (HIMARS). SECO lists it under MRAP parts.
What part numbers cross-reference to NSN 5310-00-768-0319?
Part numbers that cross-reference this NSN include MS51968-2, NT6-8CA, HS14-690-425, 859158-00, 20-115, 852987-00, 325-4, CSN46261. It is also referenced by older, superseded or advisory numbers: 22A4C1, 120367, 81334638, 98J185PC28, 23384R1, 121902. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names NUT,PLAIN,HEXAGON. Same name is not the same part: check the part numbers.