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8D3121-1 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8D3121-1: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 OVERALL, shank_length: 0.656 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.500 INCHES NOMINAL IN, overall_length: 5.380 INCHES NOMINAL IN, shank_diameter: 0.190 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-717-6607, 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
8D3121-1
NSN: 5315-01-717-6607
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 31218 — AMI INDUSTRIES, INC DIV UTC AEROSPACE SYSTEMS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 OVERALL
shank_length0.656 INCHES NOMINAL IN
thread_class2A A
thread_length0.500 INCHES NOMINAL IN
overall_length5.380 INCHES NOMINAL IN
shank_diameter0.190 INCHES NOMINAL IN
first_end_styleSQUARE
second_end_styleOVAL
special_featuresSLOT CUT OUT OF NON THREADED END 0.130 INCHES WIDE,2.650 INCHES LONG WITH A RADIUS OF 0.065 INCHES ON BOTH ENDS,1.60 INCHES FROM SHOULDER IN
style_designatorSHOULDER
thread_directionRIGHT-HAND
shoulder_diameter0.500 INCHES NOMINAL IN
NSN5315-01-717-6607
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8D3121-1 · 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
•
SHANK DIAMETER: 0.190 INCHES NOMINAL IN
•
SECOND SHANK DIAMETER: 0.375 INCHES NOMINAL IN
•
FIRST END LOCATION: THREADED END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: -516 PARA 2.1.1.2 COMMERCIAL ITEM DESCRIPTION 5TH TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
•
SHANK LENGTH: 0.656 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.190 INCHES NOMINAL IN
SECOND SHANK DIAMETER0.375 INCHES NOMINAL IN
FIRST END LOCATIONTHREADED END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION-516 PARA 2.1.1.2 COMMERCIAL ITEM DESCRIPTION 5TH TREATMENT RESPONSE OVERALL
THREAD LENGTH0.500 INCHES NOMINAL IN
FIRST END STYLESQUARE
SHANK LENGTH0.656 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONT7351 PER AMS-QQ-A-225/9 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH5.380 INCHES NOMINAL IN
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 8D3121-1?
8D3121-1 is a PIN,SHOULDER,HEADLESS.
What is the NSN for 8D3121-1?
8D3121-1 is cataloged in the U.S. Government catalog under NSN 5315-01-717-6607. This indicates validated use in U.S. government and defense supply chains.
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