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AN931-4-12 — GROMMET,NONMETALLIC

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AN931-4-12: GROMMET,NONMETALLIC.

The GROMMET,NONMETALLIC is a the manufacturer industrial component. Key specifications include end_item_identification: SPECIAL TOOL AND SUPPORT EQUIP. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-177-0959, 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
AN931-4-12
NSN: 5325-01-177-0959
NIINs: 011770959, 014325682
FSC: 5325 — Fastening Devices
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
end_item_identificationSPECIAL TOOL AND SUPPORT EQUIP
NSN5325-01-177-0959
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN931-4-12 · 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
•
GROMMET STYLE: ROUND
•
FLANGE THICKNESS: 0.094 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-3036,COMPOSITION A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FEATURES PROVIDED: COOLANT RESISTANT AND OIL RESISTANT
•
LARGE FLANGE OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
COLOR: BLACK OVERALL
•
GROOVE OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.250 INCHES NOMINAL IN
GROMMET STYLEROUND
FLANGE THICKNESS0.094 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-3036,COMPOSITION A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
FEATURES PROVIDEDCOOLANT RESISTANT AND OIL RESISTANT
LARGE FLANGE OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
COLORBLACK OVERALL
GROOVE OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
GROMMET CONSTRUCTION TYPESOLID
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
MS35489-007Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS35489J-7Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
9307K64Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AN931-4-12?
AN931-4-12 is a GROMMET,NONMETALLIC.
What parts can replace AN931-4-12?
There are 3 known substitutes for AN931-4-12: MS35489-007, MS35489J-7, 9307K64. Substitute compatibility should be verified for your specific system.
What is the NSN for AN931-4-12?
AN931-4-12 is cataloged in the U.S. Government catalog under NSN 5325-01-177-0959. 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.