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127683 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

127683: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, overall_length: 1.800 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES OVERALL, first_end_style: SQUARE, style_designator: SHOULDER, first_step_length: 0.380 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-186-0962, 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
127683
NSN: 5310-00-186-0962
NIINs: 001860962, 011076783
FSC: 5310 — Nuts and Washers
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
overall_length1.800 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES OVERALL
first_end_styleSQUARE
style_designatorSHOULDER
first_step_length0.380 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
third_step_length0.050 INCHES NOMINAL IN
first_end_locationLONG END
second_step_length0.660 INCHES NOMINAL IN
third_step_diameter0.0775 INCHES MINIMUM AND 0.0778 INCHES MAXIMUM IN
second_step_diameter0.0931 INCHES MINIMUM AND 0.0934 INCHES MAXIMUM IN
NSN5310-00-186-0962
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 127683 · 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
•
INTERNAL PREBENT KEY WIDTH: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
OVERALL DISTANCE INCLUDING KEYS: 1.328 INCHES MAXIMUM IN
•
HARDNESS RATING: 50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM
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STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
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OUTSIDE DIAMETER: 0.938 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY INTERNAL PREBENT KEY LENGTH AND INTERNAL PREBENT KEY WIDTH
TECHNICAL CHARACTERISTICS
INTERNAL PREBENT KEY WIDTH0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS1.328 INCHES MAXIMUM IN
HARDNESS RATING50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER0.938 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
MATERIAL THICKNESS0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY INTERNAL PREBENT KEY LENGTH AND INTERNAL PREBENT KEY WIDTH
EXTERNAL KEY QUANTITY11
INTERNAL PREBENT KEY LENGTH0.063 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 10
D8708PC33Reference document
Same NSN cross-reference
Reference document — Secondary reference
D8960PC36Reference document
Same NSN cross-reference
Reference document — Secondary reference
D8527PC33Reference document
Same NSN cross-reference
Reference document — Secondary reference
N5562PC69Reference document
Same NSN cross-reference
Reference document — Secondary reference
C5542PC32Reference document
Same NSN cross-reference
Reference document — Secondary reference
D7245PC33Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 127683?
127683 is a PIN,SHOULDER,HEADLESS.
What parts can replace 127683?
There are 10 known substitutes for 127683: D8708PC33, D8960PC36, D8527PC33 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 127683?
127683 is cataloged in the U.S. Government catalog under NSN 5310-00-186-0962. This indicates validated use in U.S. government and defense supply chains.
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