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S1429D — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

S1429D: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL OR STEEL COMP 4150, material_document_and_classification: MIL-S-890,ALLOY NO. 2 MIL SPEC 1ST MATERIAL RESPONSE OR AISI 4150 ASSN STD 2ND MATERIAL RESPONSE.

This part is cataloged in the U.S. Government catalog under NSN 5325-01-051-8599, 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
S1429D
NSN: 5325-01-051-8599
FSC: 5325 — Fastening Devices
CAGE: 59180 — CIRCOR PUMPS NORTH AMERICA LLC (USA)
SPECIFICATIONS
materialSTEEL OR STEEL COMP 4150
material_document_and_classificationMIL-S-890,ALLOY NO. 2 MIL SPEC 1ST MATERIAL RESPONSE OR AISI 4150 ASSN STD 2ND MATERIAL RESPONSE
NSN5325-01-051-8599
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S1429D · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-890,ALLOY NO. 2 MIL SPEC 1ST MATERIAL RESPONSE OR AISI 4150 ASSN STD 2ND MATERIAL RESPONSE
•
MATERIAL: STEEL OR STEEL COMP 4150
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890,ALLOY NO. 2 MIL SPEC 1ST MATERIAL RESPONSE OR AISI 4150 ASSN STD 2ND MATERIAL RESPONSE
MATERIALSTEEL OR STEEL COMP 4150
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES 2
S-1429D0463Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SF-10524 ITEM 044Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S1429D?
S1429D is a RING,RETAINING.
What parts can replace S1429D?
There are 2 known substitutes for S1429D: S-1429D0463, SF-10524 ITEM 044. Substitute compatibility should be verified for your specific system.
What is the NSN for S1429D?
S1429D is cataloged in the U.S. Government catalog under NSN 5325-01-051-8599. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.