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3Q751B — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3Q751B: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.125 INCHES NOMINAL IN, diameter: 0.863 INCHES MINIMUM AND 0.867 INCHES MAXIMUM IN, material: STEEL COMP 1113 OR STEEL COMP 1213 OVERALL, head_style: FLAT, chamfer_length: 0.032 INCHES NOMINAL IN, style_designator: STRAIGHT. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-433-3932, 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
3Q751B
NSN: 5315-00-433-3932
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
height0.125 INCHES NOMINAL IN
diameter0.863 INCHES MINIMUM AND 0.867 INCHES MAXIMUM IN
materialSTEEL COMP 1113 OR STEEL COMP 1213 OVERALL
head_styleFLAT
chamfer_length0.032 INCHES NOMINAL IN
style_designatorSTRAIGHT
pin_chamfer_angle45.0 DEGREES NOMINAL
pin_head_diameter1.125 INCHES NOMINAL IN
under_head_length1.250 INCHES NOMINAL IN
material_document_and_classificationQQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5315-00-433-3932
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3Q751B · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CHAMFER LENGTH: 0.032 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 1.250 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 1.125 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
DIAMETER: 0.863 INCHES MINIMUM AND 0.867 INCHES MAXIMUM IN
•
HEAD STYLE: FLAT
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.032 INCHES NOMINAL IN
UNDER HEAD LENGTH1.250 INCHES NOMINAL IN
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER1.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
DIAMETER0.863 INCHES MINIMUM AND 0.867 INCHES MAXIMUM IN
HEAD STYLEFLAT
HEIGHT0.125 INCHES NOMINAL IN
MATERIALSTEEL COMP 1113 OR STEEL COMP 1213 OVERALL
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
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 3Q751B?
3Q751B is a PIN,STRAIGHT,HEADED.
What is the NSN for 3Q751B?
3Q751B is cataloged in the U.S. Government catalog under NSN 5315-00-433-3932. 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.