PartsTable
Technical Data Sheet
Download PDF

55A44B37-3 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

55A44B37-3: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 431 OVERALL, shank_length: 0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, overall_length: 0.890 INCHES NOMINAL IN, shank_diameter: 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, first_end_style: COUNTERSUNK, special_features: COUNTERSINK ON BOTH ENDS 0.030 IN. DEEP IN.

This part is cataloged in the U.S. Government catalog under NSN 5315-00-935-9036, 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
55A44B37-3
NSN: 5315-00-935-9036
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 072E5 — VERTEX MODERNIZATION AND SUSTAINMENT LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 431 OVERALL
shank_length0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
overall_length0.890 INCHES NOMINAL IN
shank_diameter0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
first_end_styleCOUNTERSUNK
special_featuresCOUNTERSINK ON BOTH ENDS 0.030 IN. DEEP IN
style_designatorSHOULDER
shoulder_diameter0.308 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
first_end_locationBOTH ENDS
second_shank_length0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
second_shank_diameter0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
NSN5315-00-935-9036
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 55A44B37-3 · 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: 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
SECOND SHANK DIAMETER: 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
FIRST END COUNTERSINK DIAMETER: 0.188 INCHES NOMINAL IN
•
FIRST END LOCATION: BOTH ENDS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FIRST END STYLE: COUNTERSUNK
•
SHANK LENGTH: 0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDER
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
SECOND SHANK DIAMETER0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
FIRST END COUNTERSINK DIAMETER0.188 INCHES NOMINAL IN
FIRST END LOCATIONBOTH ENDS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FIRST END STYLECOUNTERSUNK
SHANK LENGTH0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.890 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 2
67A79B37Reference document
Same NSN cross-reference
Reference document — Secondary reference
009359036Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 55A44B37-3?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 55A44B37-3?
55A44B37-3 is a PIN,SHOULDER,HEADLESS.
What parts can replace 55A44B37-3?
There are 2 known substitutes for 55A44B37-3: 67A79B37, 009359036. Substitute compatibility should be verified for your specific system.
What is the NSN for 55A44B37-3?
55A44B37-3 is cataloged in the U.S. Government catalog under NSN 5315-00-935-9036. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 55A44B37-3

✓ 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.