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C99S12255-11 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

C99S12255-11: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include shank_length: 1.250 INCHES NOMINAL IN, overall_length: 14.460 INCHES NOMINAL IN, shank_diameter: 0.995 INCHES MINIMUM AND 0.998 INCHES MAXIMUM IN, first_end_style: SQUARE, style_designator: SHOULDER, first_end_location: THREADED END. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-398-3569, 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
C99S12255-11
NSN: 5315-01-398-3569
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
shank_length1.250 INCHES NOMINAL IN
overall_length14.460 INCHES NOMINAL IN
shank_diameter0.995 INCHES MINIMUM AND 0.998 INCHES MAXIMUM IN
first_end_styleSQUARE
style_designatorSHOULDER
first_end_locationTHREADED END
first_hole_diameter0.250 INCHES NOMINAL IN
hole_arrangement_styleONE END DRILLED
second_end_relationship_with_first_endIDENTICAL
distance_from_centerline_of_hole_to_end_of_pin0.310 INCHES NOMINAL IN
NSN5315-01-398-3569
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C99S12255-11 · 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: 0.995 INCHES MINIMUM AND 0.998 INCHES MAXIMUM IN
•
FIRST END LOCATION: THREADED END
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
FIRST END STYLE: SQUARE
•
FIRST HOLE DIAMETER: 0.250 INCHES NOMINAL IN
•
SHANK LENGTH: 1.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.995 INCHES MINIMUM AND 0.998 INCHES MAXIMUM IN
FIRST END LOCATIONTHREADED END
HOLE ARRANGEMENT STYLEONE END DRILLED
FIRST END STYLESQUARE
FIRST HOLE DIAMETER0.250 INCHES NOMINAL IN
SHANK LENGTH1.250 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
OVERALL LENGTH14.460 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN0.310 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C99S12255-11?
C99S12255-11 is a PIN,SHOULDER,HEADLESS.
What is the NSN for C99S12255-11?
C99S12255-11 is cataloged in the U.S. Government catalog under NSN 5315-01-398-3569. This indicates validated use in U.S. government and defense supply chains.
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