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8731238 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8731238: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.375 INCHES NOMINAL IN, diameter: 0.994 INCHES MINIMUM AND 0.996 INCHES MAXIMUM IN, head_style: KNURLED NO. 1, chamfer_length: 0.438 INCHES NOMINAL IN, hardness_rating: 59.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL, special_features: END CHAMPFERED ONE SIDE,SHANK HAS TWO NOT CHES.

This part is cataloged in the U.S. Government catalog under NSN 5315-00-508-0166, 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
8731238
NSN: 5315-00-508-0166
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
height0.375 INCHES NOMINAL IN
diameter0.994 INCHES MINIMUM AND 0.996 INCHES MAXIMUM IN
head_styleKNURLED NO. 1
chamfer_length0.438 INCHES NOMINAL IN
hardness_rating59.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL
special_featuresEND CHAMPFERED ONE SIDE,SHANK HAS TWO NOT CHES
style_designatorSTRAIGHT
features_providedCASEHARDENED
pin_chamfer_angle60.0 DEGREES NOMINAL
pin_head_diameter2.000 INCHES NOMINAL IN
surface_treatmentCADMIUM OR ZINC OVERALL
under_head_length2.813 INCHES NOMINAL IN
NSN5315-00-508-0166
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8731238 · 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: 0.438 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL
•
UNDER HEAD LENGTH: 2.813 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 60.0 DEGREES NOMINAL
•
HARDNESS RATING: 59.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 2.000 INCHES NOMINAL IN
•
DIAMETER: 0.994 INCHES MINIMUM AND 0.996 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.438 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL
UNDER HEAD LENGTH2.813 INCHES NOMINAL IN
PIN CHAMFER ANGLE60.0 DEGREES NOMINAL
HARDNESS RATING59.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER2.000 INCHES NOMINAL IN
DIAMETER0.994 INCHES MINIMUM AND 0.996 INCHES MAXIMUM IN
FEATURES PROVIDEDCASEHARDENED
HEAD STYLEKNURLED NO. 1
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 8731238?
8731238 is a PIN,STRAIGHT,HEADED.
What is the NSN for 8731238?
8731238 is cataloged in the U.S. Government catalog under NSN 5315-00-508-0166. This indicates validated use in U.S. government and defense supply chains.
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