NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-00-811-6419
Self-Locking Extended Washer Nut P/N MS21042-04
In stock — 100 on our U.S. shelfNSN 5310-00-811-6419 5310008116419 NIIN 008116419
SECO Parts has 100 in stock of NSN 5310-00-811-6419 — Self-Locking Extended Washer 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,EXTENDED WASHER
- SECO description
- NUT, SELF-LOCKING
- Federal supply class
- FSC 5310 — Nuts and Washers
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New | NE | 100 |
| Total | 100 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-00-811-6419 008116419 MS21042-04 4138-0021 FN12A-40 80552 1491-440C 723009731500 2 0040-323 H14L04CW 38-0021 FN12-40
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
- Surface treatment document and classification
- Overall Fed Spec Single Treatment Response QQ--416
- Thread direction
- Right-Hand
- Width across flats
- 0.150–0.158 in
- Thread series
- Unjc
- Surface treatment
- Overall Cadmium
- Locking feature
- Prevailing Torque All Metal Design
- Washer thickness
- 0.010 in minimum
- Thread class
- 3B
- Thread quantity per inch
- 40
- Hardness rating
- Rockwell C Maximum 49.0
- Nominal thread size
- Inches 0.112
- Material
- Overall Steel
- Temp rating
- Fahrenheit Nominal 450.0
- Overall height
- 0.103–0.125 in
- Washer outside diameter
- 0.206 in maximum
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
MS21042-04 4138-0021 FN12A-40 80552 1491-440C 723009731500 2 0040-323 H14L04CW 38-0021 FN12-40 F52LH3324-40 MS21042C04 938.07.68.501 T98S440CPC 22MM40
Also referenced as
38FM440 RM22LH1660-40 418084-2 MS21042-04C 457-5583
Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 5310-00-811-6419?
NSN 5310-00-811-6419 (5310008116419) — Self-Locking Extended Washer Nut: SECO Parts has 100 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for self-locking extended washer nut in federal supply class 5310 (Nuts and Washers).
Is NSN 5310-00-811-6419 available?
SECO Parts has 100 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-00-811-6419 cost?
SECO quotes NSN 5310-00-811-6419 on request, usually the same business day.
What part numbers cross-reference to NSN 5310-00-811-6419?
Part numbers that cross-reference this NSN include MS21042-04, 4138-0021, FN12A-40, 80552, 1491-440C, 723009731500, 2 0040-323, H14L04CW. It is also referenced by older, superseded or advisory numbers: 38FM440, RM22LH1660-40, 418084-2, MS21042-04C, 457-5583. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names NUT,SELF-LOCKING,EXTENDED WASHER. Same name is not the same part: check the part numbers.