PartsTable
Technical Data Sheet
Download PDF

NMP-1521 PIECE 16 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

NMP-1521 PIECE 16: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302, usage_design: INTERNAL, casehardening_indicator: NOT CASEHARDENED, end_item_identification: W/S: WASP CLASS LHD; FORRESTAL CLASS CV, material_document_and_classification: ASTM A276, TY 302 ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-285-2130, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
NMP-1521 PIECE 16
NSN: 5325-01-285-2130
FSC: 5325 — Fastening Devices
CAGE: 0FCV0 — KEYSTONE INTL INC (USA)
SPECIFICATIONS
materialSTEEL COMP 302
usage_designINTERNAL
casehardening_indicatorNOT CASEHARDENED
end_item_identificationW/S: WASP CLASS LHD; FORRESTAL CLASS CV
material_document_and_classificationASTM A276, TY 302 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-01-285-2130
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NMP-1521 PIECE 16 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
USAGE DESIGN: INTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A276, TY 302 ASSN STD SINGLE MATERIAL RESPONSE
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL: STEEL COMP 302
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276, TY 302 ASSN STD SINGLE MATERIAL RESPONSE
CASEHARDENING INDICATORNOT CASEHARDENED
END ITEM IDENTIFICATIONW/S: WASP CLASS LHD; FORRESTAL CLASS CV
MATERIALSTEEL COMP 302
SUBSTITUTES & CROSS-REFERENCES 1
024.302.0028Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy NMP-1521 PIECE 16?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is NMP-1521 PIECE 16?
NMP-1521 PIECE 16 is a RING,RETAINING.
What parts can replace NMP-1521 PIECE 16?
There is 1 known substitute for NMP-1521 PIECE 16: 024.302.0028. Substitute compatibility should be verified for your specific system.
What is the NSN for NMP-1521 PIECE 16?
NMP-1521 PIECE 16 is cataloged in the U.S. Government catalog under NSN 5325-01-285-2130. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — NMP-1521 PIECE 16

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.