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9995287 — INSULATOR,WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

9995287: INSULATOR,WASHER.

The INSULATOR,WASHER is a the manufacturer industrial component. Key specifications include length: 0.781 INCHES NOMINAL IN, material: MICA OVERALL, insert_size: 0.562-18 UNF 3A A, thread_class: 3B, overall_height: 0.004 INCHES MINIMUM AND 0.007 INCHES MAXIMUM IN, inside_diameter: 0.315 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-985-3160, 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
9995287
NSN: 5325-00-985-3160
NIINs: 009853160, 009987657
FSC: 5325 — Fastening Devices
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
length0.781 INCHES NOMINAL IN
materialMICA OVERALL
insert_size0.562-18 UNF 3A A
thread_class3B
overall_height0.004 INCHES MINIMUM AND 0.007 INCHES MAXIMUM IN
inside_diameter0.315 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
outside_diameter1.125 INCHES NOMINAL IN
style_designatorROUND, FLAT
unable_to_decodeUNABLE TO DECODE OR UNABLE TO DECODE
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.437 INCHES IN
thread_quantity_per_inch20
NSN5325-00-985-3160
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9995287 · 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
•
LENGTH: 0.781 INCHES NOMINAL IN
•
INSERT SIZE: 0.562-18 UNF 3A A
•
STYLE DESIGNATOR: PLAIN
•
NOMINAL THREAD SIZE: 0.437 INCHES IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 20
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.781 INCHES NOMINAL IN
INSERT SIZE0.562-18 UNF 3A A
STYLE DESIGNATORPLAIN
NOMINAL THREAD SIZE0.437 INCHES IN
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD QUANTITY PER INCH20
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD SERIES DESIGNATORUNF
SUBSTITUTES & CROSS-REFERENCES 1
SC5310-0021-74Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9995287?
9995287 is a INSULATOR,WASHER.
What parts can replace 9995287?
There is 1 known substitute for 9995287: SC5310-0021-74. Substitute compatibility should be verified for your specific system.
What is the NSN for 9995287?
9995287 is cataloged in the U.S. Government catalog under NSN 5325-00-985-3160. 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.