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11877-5-31 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

11877-5-31: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: SPLINE EXTENDED WASHER, head_height: 0.273 INCHES MINIMUM AND 0.293 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.622 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-132-1034, 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
11877-5-31
NSN: 5306-01-132-1034
FSC: 5306 — Bolts
CAGE: 59563 — REID PRODUCTS INC. DBA REID PRODUCTS INC (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
head_styleSPLINE EXTENDED WASHER
head_height0.273 INCHES MINIMUM AND 0.293 INCHES MAXIMUM IN
thread_class3A A
thread_length0.622 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length2.673 INCHES MINIMUM AND 2.703 INCHES MAXIMUM IN
shoulder_length1.928 INCHES MINIMUM AND 1.948 INCHES MAXIMUM FIRST SHOULDER IN
special_featuresTWENTY SIX DEGREE ANGLE BETWEEN THE THREADS AND THE SHOULDER 0.083 TO 0.103 INCHES LONG IN
thread_directionRIGHT-HAND
shoulder_diameter0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentPASSIVATE OVERALL
NSN5306-01-132-1034
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 11877-5-31 · 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: 0.044 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.273 INCHES MINIMUM AND 0.293 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.673 INCHES MINIMUM AND 2.703 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 1.928 INCHES MINIMUM AND 1.948 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.622 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.044 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
HEAD HEIGHT0.273 INCHES MINIMUM AND 0.293 INCHES MAXIMUM IN
FASTENER LENGTH2.673 INCHES MINIMUM AND 2.703 INCHES MAXIMUM IN
SHOULDER LENGTH1.928 INCHES MINIMUM AND 1.948 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM IN
SHOULDER DIAMETER0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.622 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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 4
VS3233-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10115872Reference document
Same NSN cross-reference
Reference document — Informative reference only
AIC951-5-31Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3M898-5-31Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11877-5-31?
11877-5-31 is a BOLT,SHOULDER.
What parts can replace 11877-5-31?
There are 4 known substitutes for 11877-5-31: VS3233-2, 10115872, AIC951-5-31 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11877-5-31?
11877-5-31 is cataloged in the U.S. Government catalog under NSN 5306-01-132-1034. 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.