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131286 — BOOT,SEAL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

131286: BOOT,SEAL.

The BOOT,SEAL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: SQUARE, grip_length: 5.750 INCHES NOMINAL IN, head_height: 0.232 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN, thread_class: 2A A, hole_diameter: 0.317 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-013-1286, 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
131286
NSN: 5306-00-013-1286
NIINs: 000131286, 001131360, 003010814, 009006395
FSC: 5306 — Bolts
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleSQUARE
grip_length5.750 INCHES NOMINAL IN
head_height0.232 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN
thread_class2A A
hole_diameter0.317 INCHES MINIMUM IN
thread_length1.250 INCHES MINIMUM IN
fastener_length7.000 INCHES NOMINAL IN
hardness_rating95.0 ROCKWELL B MAXIMUM OVERALL
outside_diameter0.468 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
thread_directionRIGHT-HAND
NSN5306-00-013-1286
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 131286 · 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: 0.232 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN
•
FASTENER LENGTH: 7.000 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 1.250 INCHES MINIMUM IN
•
HARDNESS RATING: 95.0 ROCKWELL B MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429 GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
FEATURES PROVIDED: UNFINISHED HEAD
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.232 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN
FASTENER LENGTH7.000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
THREAD LENGTH1.250 INCHES MINIMUM IN
HARDNESS RATING95.0 ROCKWELL B MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
FEATURES PROVIDEDUNFINISHED HEAD
HEAD STYLESQUARE
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 4
3-8 16X7INReference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
MS35355-77Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FFB575Reference document
Same NSN cross-reference
Reference document — Identification reference
109837Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 131286?
131286 is a BOOT,SEAL.
What parts can replace 131286?
There are 4 known substitutes for 131286: 3-8 16X7IN, MS35355-77, FFB575 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 131286?
131286 is cataloged in the U.S. Government catalog under NSN 5306-00-013-1286. 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.