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9135M21P03 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

9135M21P03: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.650 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-515-0686, 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
9135M21P03
NSN: 5306-00-515-0686
FSC: 5306 — Bolts
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
head_height0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
thread_class3A A
thread_length0.650 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN
shoulder_length0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.3276 INCHES MINIMUM AND 0.3278 INCHES MAXIMUM FIRST SHOULDER IN
width_between_flats0.375 INCHES NOMINAL IN
nominal_thread_diameter0.312 INCHES IN
NSN5306-00-515-0686
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9135M21P03 · 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: 0.070 INCHES MINIMUM IN
•
HEAD HEIGHT: 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM FIRST SHOULDER IN
•
EXTENDED WASHER DIAMETER: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.3276 INCHES MINIMUM AND 0.3278 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.650 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM IN
HEAD HEIGHT0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
FASTENER LENGTH0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN
SHOULDER LENGTH0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM FIRST SHOULDER IN
EXTENDED WASHER DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
SHOULDER DIAMETER0.3276 INCHES MINIMUM AND 0.3278 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.650 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONC50TF13 CL B FSCM 07482 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9135M21P03?
9135M21P03 is a BOLT,SHOULDER.
What is the NSN for 9135M21P03?
9135M21P03 is cataloged in the U.S. Government catalog under NSN 5306-00-515-0686. 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.