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74B310051-2001 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

74B310051-2001: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.046 INCHES NOMINAL IN, diameter: 0.188 INCHES NOMINAL IN, material: STEEL COMP 3140 OR STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OVERALL, head_style: PAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION), chamfer_length: 0.030 INCHES NOMINAL IN, style_designator: STRAIGHT.

This part is cataloged in the U.S. Government catalog under NSN 5315-01-140-3822, 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
74B310051-2001
NSN: 5315-01-140-3822
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
height0.046 INCHES NOMINAL IN
diameter0.188 INCHES NOMINAL IN
materialSTEEL COMP 3140 OR STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OVERALL
head_stylePAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
chamfer_length0.030 INCHES NOMINAL IN
style_designatorSTRAIGHT
pin_chamfer_angle45.0 DEGREES NOMINAL
pin_head_diameter0.312 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
under_head_length0.810 INCHES NOMINAL IN
surface_treatment_document_and_classificationQQ-P-416,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-01-140-3822
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 74B310051-2001 · 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: 0.030 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
UNDER HEAD LENGTH: 0.810 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 0.312 INCHES NOMINAL IN
•
DIAMETER: 0.188 INCHES NOMINAL IN
•
HEAD STYLE: PAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.030 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
UNDER HEAD LENGTH0.810 INCHES NOMINAL IN
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.312 INCHES NOMINAL IN
DIAMETER0.188 INCHES NOMINAL IN
HEAD STYLEPAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
HEIGHT0.046 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM 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 1
10123131Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74B310051-2001?
74B310051-2001 is a PIN,STRAIGHT,HEADED.
What parts can replace 74B310051-2001?
There is 1 known substitute for 74B310051-2001: 10123131. Substitute compatibility should be verified for your specific system.
What is the NSN for 74B310051-2001?
74B310051-2001 is cataloged in the U.S. Government catalog under NSN 5315-01-140-3822. 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.