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6-41641-1 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6-41641-1: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.060 INCHES NOMINAL IN, diameter: 0.251 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN, material: COPPER ALLOY 642 OVERALL, head_style: FLAT CHAMFER, surface_finish: 125.0 MICROINCHES OVERALL, style_designator: STRAIGHT. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-028-1011, 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
6-41641-1
NSN: 5315-01-028-1011
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 79U29 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
height0.060 INCHES NOMINAL IN
diameter0.251 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
materialCOPPER ALLOY 642 OVERALL
head_styleFLAT CHAMFER
surface_finish125.0 MICROINCHES OVERALL
style_designatorSTRAIGHT
pin_chamfer_angle45.0 DEGREES NOMINAL
pin_head_diameter0.355 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
under_head_length0.252 INCHES NOMINAL IN
material_document_and_classificationQQ-B-679,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-028-1011
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6-41641-1 · 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
•
SURFACE FINISH: 125.0 MICROINCHES OVERALL
•
UNDER HEAD LENGTH: 0.252 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 0.355 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-679,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.251 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES OVERALL
UNDER HEAD LENGTH0.252 INCHES NOMINAL IN
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.355 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-679,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.251 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
HEAD STYLEFLAT CHAMFER
HEIGHT0.060 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 642 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6-41641-1?
6-41641-1 is a PIN,STRAIGHT,HEADED.
What is the NSN for 6-41641-1?
6-41641-1 is cataloged in the U.S. Government catalog under NSN 5315-01-028-1011. 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.