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25J85PC185 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

25J85PC185: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.656 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.875 INCHES MINIMUM IN, fastener_length: 2.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-271-8438, 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
25J85PC185
NSN: 5306-00-271-8438
FSC: 5306 — Bolts
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.656 INCHES NOMINAL IN
thread_class3A A
thread_length0.875 INCHES MINIMUM IN
fastener_length2.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.750 INCHES NOMINAL IN
nominal_thread_diameter0.500 INCHES IN
extended_washer_diameter0.840 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
thread_quantity_per_inch20
NSN5306-00-271-8438
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 25J85PC185 · 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
•
EXTENDED WASHER THICKNESS: 0.094 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.656 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.250 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.840 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.875 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON EXTENDED WASHER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.094 INCHES NOMINAL IN
HEAD HEIGHT0.656 INCHES NOMINAL IN
FASTENER LENGTH2.250 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.840 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
THREAD LENGTH0.875 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 10
40J409PC238Reference document
Same NSN cross-reference
Reference document — Secondary reference
39J750PC235Reference document
Same NSN cross-reference
Reference document — Secondary reference
41J420PC102Reference document
Same NSN cross-reference
Reference document — Secondary reference
25J124PC591Reference document
Same NSN cross-reference
Reference document — Secondary reference
93J411PC435Reference document
Same NSN cross-reference
Reference document — Secondary reference
41J411PC435Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 25J85PC185?
25J85PC185 is a BOLT,MACHINE.
What parts can replace 25J85PC185?
There are 10 known substitutes for 25J85PC185: 40J409PC238, 39J750PC235, 41J420PC102 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 25J85PC185?
25J85PC185 is cataloged in the U.S. Government catalog under NSN 5306-00-271-8438. 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.