Home · NSN 00-042-8551

NSN 00-042-8551 — Ring,Retaining

NIIN 00-042-8551 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 00-042-8551 is the national stock number for a ring,retaining. It cross-references to 4 manufacturer part numbers from 3 CAGE codes, including Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M, Woodward, Inc., Spirolox Inc; the primary is 219414. The unit of issue is EA and the FLIS list price is $0.24.

No government purchase of this stock number is on our record yet. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

4

part numbers from 3 CAGEs

0

open solicitations, all agencies

0

government buys in 24 months

0

sellers with confirmed stock

Watch NSN 00-042-8551: an email the morning the government solicits or buys it, or an AD names it. Free.
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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part numberCAGEManufacturerReferenceVariation
M2742620100B81349Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M2 · Item ident. reference2 · Fully interchangeable
MIL-DTL-2742681349Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M41 · Not fully interchangeable
21941466503Woodward, Inc.5 · Secondary reference1 · Not fully interchangeable
RSN46CD80756Spirolox Inc5 · Secondary reference1 · Not fully interchangeable

Government demand

Nothing open right now. Watch this NSN and we will email you when it is solicited.

What the government paid

No government purchase on record for this NSN.

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on 219414.

Request 219414

No account needed. Goes to the sellers who carry this number or its family.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price
$0.24
Unit of issue
EA
Acquisition advice
J — Not stocked, central procurement
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

Inside Diameter
INCHES MINIMUM 0.426 AND INCHES MAXIMUM 0.439
Casehardening Indicator
NOT CASE-HARDENED
Outside Diameter
INCHES MINIMUM 0.516 AND INCHES MAXIMUM 0.529
Major Thickness
INCHES MINIMUM 0.023 AND INCHES MAXIMUM 0.027
Usage Design
EXTERNAL
Material Hardness Rating
ROCKWELL A MINIMUM 71.0 AND ROCKWELL A MAXIMUM 77.5
Strength Rating
POUNDS PER SQUARE INCH (PSI) MINIMUM TENSILE 221000.0
Material
STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090
Material Document And Classification
FED STD 1ST MATERIAL RESPONSE FED STD 66, CO- 1070 OR FED STD 2ND MATERIAL RESPONSE FED STD 66, CO- 1072 OR FED STD 3RD MATERIAL RESPONSE FED STD 66, CO- 1074 OR FED STD 4TH MATERIAL RESPONSE
Surface Treatment
CADMIUM AND CHROMATE

Related stock numbers

Other NSNs filed under the same part numbers.

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.

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