PartsTable
Technical Data Sheet
Download PDF

571361 — RING,RETAINING

✓ Government record, cited
Legrand · BOLT SCREW
PRODUCT OVERVIEW

571361: RING,RETAINING.

The RING,RETAINING is a Legrand industrial component. Key specifications include special_features: COMPONET USED IN PUMP PACKAGE PPEU3-022-8A A, end_item_identification: ADATS LAUNCH COMMAND EQUIPMENT. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-057-1361, 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
571361
NSN: 5305-00-057-1361
NIINs: 000571361, 013542010
FSC: 5305 — Screws
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
special_featuresCOMPONET USED IN PUMP PACKAGE PPEU3-022-8A A
end_item_identificationADATS LAUNCH COMMAND EQUIPMENT
NSN5305-00-057-1361
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 571361 · Legrand ⚠ 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
•
WIDTH ACROSS FLATS: 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
THREAD LENGTH: 0.500 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: CUP
•
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND 4 STYLE
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
FASTENER LENGTH0.500 INCHES NOMINAL IN
THREAD LENGTH0.500 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEHEADLESS (SETSCREW)
THREAD DIRECTIONRIGHT-HAND
POINT STYLECUP
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 4 STYLE
SURFACE TREATMENTPHOSPHATE OVERALL
INTERNAL DRIVE STYLEHEXAGON
SUBSTITUTES & CROSS-REFERENCES 1
FFS103TYPE3STYLE4Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 571361?
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 571361?
571361 is a RING,RETAINING manufactured by Legrand.
What parts can replace 571361?
There is 1 known substitute for 571361: FFS103TYPE3STYLE4. Substitute compatibility should be verified for your specific system.
What is the NSN for 571361?
571361 is cataloged in the U.S. Government catalog under NSN 5305-00-057-1361. 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 — 571361

✓ 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.