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642AS7974 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

642AS7974: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include shank_length: 0.386 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.250 INCHES MINIMUM IN, overall_length: 0.770 INCHES NOMINAL IN, shank_diameter: 0.092 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN, first_end_style: POINTED. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-071-4760, 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
642AS7974
NSN: 5315-01-071-4760
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
shank_length0.386 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN
thread_class2A A
thread_length0.250 INCHES MINIMUM IN
overall_length0.770 INCHES NOMINAL IN
shank_diameter0.092 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
first_end_stylePOINTED
style_designatorSHOULDER
shoulder_width_across_flats0.062 INCHES NOMINAL IN
NSN5315-01-071-4760
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 642AS7974 · 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
•
SHANK DIAMETER: 0.092 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.250 INCHES MINIMUM IN
•
FIRST END STYLE: POINTED
•
SHANK LENGTH: 0.386 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDER
•
SHOULDER WIDTH ACROSS FLATS: 0.062 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.092 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
THREAD LENGTH0.250 INCHES MINIMUM IN
FIRST END STYLEPOINTED
SHANK LENGTH0.386 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDER
OVERALL LENGTH0.770 INCHES NOMINAL IN
SHOULDER WIDTH ACROSS FLATS0.062 INCHES NOMINAL IN
THREAD CLASS2A A
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 642AS7974?
642AS7974 is a PIN,SHOULDER,HEADLESS.
What is the NSN for 642AS7974?
642AS7974 is cataloged in the U.S. Government catalog under NSN 5315-01-071-4760. 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.