NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-00-721-5940
Plain Hexagon Nut P/N MS35690-725
In stock — 445 on our U.S. shelfNSN 5310-00-721-5940 5310007215940 NIIN 007215940
SECO Parts has 445 in stock of NSN 5310-00-721-5940 — 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
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 406 |
| New | NE | 39 |
| Total | 445 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-00-721-5940 007215940 MS35690-725
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
- Nut height
- 0.365–0.385 in
- Surface treatment document and classification
- Overall Fed Spec 1ST Treatment Response QQ--416,TY 2 CL 3 or Fed Spec 2ND Treatment Response QQ-Z-325,TY2 CL 3
- Material
- Overall Steel
- Thread quantity per inch
- 20
- Hardness rating
- Brinell Standard Minimum 121.0
- Bearing surface type
- Chamfered or Washer Faced
- Thread direction
- Right-Hand
- Width across flats
- 0.6750–0.6875 in
- Nominal thread size
- Inches 0.438
- Thread series
- UNF
- Thread class
- 2B
- Surface treatment
- Overall Cadmium or Zinc
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
MS35690-725
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| 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 5310-00-721-5940?
NSN 5310-00-721-5940 (5310007215940) — Plain Hexagon Nut: SECO Parts has 445 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 5310-00-721-5940 available?
SECO Parts has 445 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-00-721-5940 cost?
SECO quotes NSN 5310-00-721-5940 on request, usually the same business day.
What part numbers cross-reference to NSN 5310-00-721-5940?
Part numbers that cross-reference this NSN include MS35690-725. 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.