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Technical Data Sheet
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85-629 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

85-629: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include end_item_identification: MRTT, part_name_assigned_by_controlling_agency: RING, RETAINING. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-705-1962, 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
85-629
NSN: 5306-00-705-1962
NIINs: 007051962, 012770885, 016648302
FSC: 5306 — Bolts
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
end_item_identificationMRTT
part_name_assigned_by_controlling_agencyRING, RETAINING
NSN5306-00-705-1962
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 85-629 · 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
•
HEAD HEIGHT: 0.320 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.380 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.260 INCHES NOMINAL SECOND SHOULDER IN
•
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS: 0.240 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.780 INCHES MINIMUM AND 0.784 INCHES MAXIMUM SECOND SHOULDER IN
•
THREAD LENGTH: 1.060 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.320 INCHES NOMINAL IN
FASTENER LENGTH2.380 INCHES NOMINAL IN
SHOULDER LENGTH0.260 INCHES NOMINAL SECOND SHOULDER IN
SHOULDER LENGTH0.740 INCHES NOMINAL FIRST SHOULDER IN
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS0.240 INCHES NOMINAL IN
SHOULDER DIAMETER0.780 INCHES MINIMUM AND 0.784 INCHES MAXIMUM SECOND SHOULDER IN
SHOULDER DIAMETER0.785 INCHES MINIMUM AND 0.790 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH1.060 INCHES MINIMUM IN
SHOULDER SHAPEROUND SECOND SHOULDER
SHOULDER SHAPERIBBED FIRST SHOULDER
SUBSTITUTES & CROSS-REFERENCES 1
3723955Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 85-629?
85-629 is a BOLT,MACHINE.
What parts can replace 85-629?
There is 1 known substitute for 85-629: 3723955. Substitute compatibility should be verified for your specific system.
What is the NSN for 85-629?
85-629 is cataloged in the U.S. Government catalog under NSN 5306-00-705-1962. 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.