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553545 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

553545: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, diameter: 0.2475 INCHES MINIMUM AND 0.2480 INCHES MAXIMUM IN, material: STEEL COMP 410 OVERALL, head_style: DEE, chamfer_length: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-920-0025, 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
553545
NSN: 5315-00-920-0025
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
height0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
diameter0.2475 INCHES MINIMUM AND 0.2480 INCHES MAXIMUM IN
materialSTEEL COMP 410 OVERALL
head_styleDEE
chamfer_length0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSTRAIGHT
pin_chamfer_angle25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
pin_head_diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
surface_treatmentCHROMIUM OVERALL
under_head_length0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
first_hole_diameter0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
NSN5315-00-920-0025
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 553545 · 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: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
UNDER HEAD LENGTH: 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
•
PIN CHAMFER ANGLE: 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
•
FIRST HOLE DIAMETER: 0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: STRAIGHT
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO FLAT0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
HOLE ARRANGEMENT STYLEONE END DRILLED
UNDER HEAD LENGTH0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
PIN CHAMFER ANGLE25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
FIRST HOLE DIAMETER0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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 553545?
553545 is a PIN,STRAIGHT,HEADED.
What is the NSN for 553545?
553545 is cataloged in the U.S. Government catalog under NSN 5315-00-920-0025. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.