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UA-9961 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

UA-9961: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include shank_length: 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN, overall_length: 1.095 INCHES MINIMUM AND 1.100 INCHES MAXIMUM IN, shank_diameter: 0.310 INCHES NOMINAL IN, first_end_style: CHAMFERED, second_end_style: SQUARE, style_designator: SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-239-3677, 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
UA-9961
NSN: 5315-01-239-3677
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
shank_length0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
overall_length1.095 INCHES MINIMUM AND 1.100 INCHES MAXIMUM IN
shank_diameter0.310 INCHES NOMINAL IN
first_end_styleCHAMFERED
second_end_styleSQUARE
style_designatorSHOULDER
shoulder_diameter0.590 INCHES NOMINAL IN
first_end_locationLONG END
second_shank_length0.750 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
first_end_taper_angle45.0 DEGREES NOMINAL
second_shank_diameter0.375 INCHES NOMINAL IN
first_end_taper_length0.060 INCHES NOMINAL IN
NSN5315-01-239-3677
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: UA-9961 · 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: 0.310 INCHES NOMINAL IN
•
SECOND SHANK DIAMETER: 0.375 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.060 INCHES NOMINAL IN
•
FIRST END LOCATION: LONG END
•
FIRST END STYLE: CHAMFERED
•
SHANK LENGTH: 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: EN 1A,FSCM 61208 MFR REF SINGLE MATERIAL RESPONSE OVERALL A
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.310 INCHES NOMINAL IN
SECOND SHANK DIAMETER0.375 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.060 INCHES NOMINAL IN
FIRST END LOCATIONLONG END
FIRST END STYLECHAMFERED
SHANK LENGTH0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONEN 1A,FSCM 61208 MFR REF SINGLE MATERIAL RESPONSE OVERALL A
OVERALL LENGTH1.095 INCHES MINIMUM AND 1.100 INCHES MAXIMUM IN
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
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 UA-9961?
UA-9961 is a PIN,SHOULDER,HEADLESS.
What is the NSN for UA-9961?
UA-9961 is cataloged in the U.S. Government catalog under NSN 5315-01-239-3677. This indicates validated use in U.S. government and defense supply chains.
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