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329122 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

329122: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN, thread_length: 0.600 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN, shoulder_shape: HEXAGONAL FIRST SHOULDER, fastener_length: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-558-7682, 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
329122
NSN: 5306-00-558-7682
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleDOUBLE HEXAGON W/HOLE
head_height0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
thread_length0.600 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
shoulder_shapeHEXAGONAL FIRST SHOULDER
fastener_length1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
surface_treatmentNICKEL AND CADMIUM OVERALL
width_between_flats0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
nominal_thread_diameter0.375 INCHES IN
NSN5306-00-558-7682
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 329122 · 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: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
•
EXTENDED WASHER DIAMETER: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.600 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
•
SHOULDER SHAPE: HEXAGONAL FIRST SHOULDER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
HEAD HEIGHT0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
FASTENER LENGTH1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
SHOULDER LENGTH0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
EXTENDED WASHER DIAMETER0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
THREAD LENGTH0.600 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
SHOULDER SHAPEHEXAGONAL FIRST SHOULDER
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6304 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

No substitute or cross-reference records for this part.

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 329122?
329122 is a BOLT,SHOULDER.
What is the NSN for 329122?
329122 is cataloged in the U.S. Government catalog under NSN 5306-00-558-7682. 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.