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PWA57137-1 — PIN,SHOULDER,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

PWA57137-1: PIN,SHOULDER,HEADED.

The PIN,SHOULDER,HEADED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, head_style: L SHAPE, head_length: 0.750 INCHES NOMINAL IN, head_radius: 0.125 INCHES NOMINAL IN, first_end_style: SQUARE, style_designator: SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-233-2133, 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
PWA57137-1
NSN: 5315-01-233-2133
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
head_styleL SHAPE
head_length0.750 INCHES NOMINAL IN
head_radius0.125 INCHES NOMINAL IN
first_end_styleSQUARE
style_designatorSHOULDER
first_step_length6.600 INCHES NOMINAL IN
pin_head_diameter0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
under_head_length7.750 INCHES NOMINAL IN
second_step_length1.150 INCHES NOMINAL IN
first_step_diameter0.250 INCHES NOMINAL IN
second_step_diameter0.176 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
NSN5315-01-233-2133
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PWA57137-1 · 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
•
FIRST STEP DIAMETER: 0.250 INCHES NOMINAL IN
•
HEAD RADIUS: 0.125 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 7.750 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
•
SECOND STEP LENGTH: 1.150 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
•
PIN HEAD DIAMETER: 0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
HEAD STYLE: L SHAPE
TECHNICAL CHARACTERISTICS
FIRST STEP DIAMETER0.250 INCHES NOMINAL IN
HEAD RADIUS0.125 INCHES NOMINAL IN
UNDER HEAD LENGTH7.750 INCHES NOMINAL IN
FIRST END STYLESQUARE
SECOND STEP LENGTH1.150 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
PIN HEAD DIAMETER0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
HEAD STYLEL SHAPE
SECOND STEP DIAMETER0.176 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
HEAD LENGTH0.750 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 PWA57137-1?
PWA57137-1 is a PIN,SHOULDER,HEADED.
What is the NSN for PWA57137-1?
PWA57137-1 is cataloged in the U.S. Government catalog under NSN 5315-01-233-2133. 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.