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1400MS — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1400MS: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, inside_diameter: 15.750 INCHES NOMINAL IN, major_thickness: 0.094 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-787-7429, 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
1400MS
NSN: 5325-00-787-7429
FSC: 5325 — Fastening Devices
CAGE: 76602 — MUSKEGON PISTON RING CO MUSKEGON PRODUCTS DIV (USA)
SPECIFICATIONS
materialSTEEL
inside_diameter15.750 INCHES NOMINAL IN
major_thickness0.094 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
NSN5325-00-787-7429
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1400MS · 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
•
MAJOR THICKNESS: 0.094 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 15.750 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
MAJOR THICKNESS0.094 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
INSIDE DIAMETER15.750 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
1004665-1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
1004131PC10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1400MS?
1400MS is a RING,RETAINING.
What parts can replace 1400MS?
There are 2 known substitutes for 1400MS: 1004665-1, 1004131PC10. Substitute compatibility should be verified for your specific system.
What is the NSN for 1400MS?
1400MS is cataloged in the U.S. Government catalog under NSN 5325-00-787-7429. 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.