Self-Locking Extended Washer Nut P/N MS21042L3

Specifications

Overall height

0.154–0.188 in

Washer thickness

0.015 in minimum

Nominal thread size

Inches 0.190

Thread series

Unified National Joint Fine (Unjf)

Special features

The Item IS a Flight Safety Critical Aircraft Part (Fscap)

Material

Overall Steel

Surface treatment

Overall Cadmium and Chromate

Surface treatment document and classification

Overall Fed Spec Single Treatment Response QQ--416,TY 2,CL 3

Thread class

3B

Criticality code justification

Feat

Locking feature

Prevailing Torque All Metal Design

Thread quantity per inch

32

Hardness rating

Rockwell C Maximum 49.0

Temp rating

Fahrenheit Nominal 450.0

Washer outside diameter

0.330 in maximum

Lubrication

Dry Film Lubricant

Width across flats

0.243–0.252 in

Thread direction

Right-Hand

From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.

Cross-reference part numbers

MS21042L3 NAS679A3 VN300A02 Z00.N5415371227 984017 K14-3 CH127471-8 P26041 H14-3 2110041 FM04A125V1A T98S1032 FN12M02 1311725-1 H14-3T2 107B8156P5 2629873 66-1654 10602632-1

Also referenced as

6343-1100 MS21040L3 AN515-6R26 MS21042J3 MS2104213 MS21402L3 LD153-0002-1403 10121715

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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	Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 1,100 on the shelf
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 5310-00-807-1474?
NSN 5310-00-807-1474 (5310008071474) — Self-Locking Extended Washer Nut: SECO Parts has 1,100 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 5310-00-807-1474 available?
SECO Parts has 1100 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5310-00-807-1474 cost?
SECO quotes NSN 5310-00-807-1474 on request, usually the same business day.

What part numbers cross-reference to NSN 5310-00-807-1474?
Part numbers that cross-reference this NSN include MS21042L3, NAS679A3, VN300A02, Z00.N5415371227, 984017, K14-3, CH127471-8, P26041. It is also referenced by older, superseded or advisory numbers: 6343-1100, MS21040L3, AN515-6R26, MS21042J3, MS2104213, MS21402L3. SECO can quote against any of them.