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54A44B26-3 — PIN,GROOVED,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

54A44B26-3: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.030 INCHES NOMINAL IN, diameter: 0.310 INCHES NOMINAL IN, material: STEEL COMP 431 OVERALL, head_style: FLAT, undercut_width: 0.028 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN, effective_length: 1.330 INCHES MINIMUM AND 1.335 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-101-8337, 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
54A44B26-3
NSN: 5315-00-101-8337
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 97342 — C T M CO INC (USA)
SPECIFICATIONS
height0.030 INCHES NOMINAL IN
diameter0.310 INCHES NOMINAL IN
materialSTEEL COMP 431 OVERALL
head_styleFLAT
undercut_width0.028 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
effective_length1.330 INCHES MINIMUM AND 1.335 INCHES MAXIMUM IN
style_designatorGROOVE
pin_head_diameter0.375 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
under_head_length1.390 INCHES NOMINAL IN
undercut_diameter0.288 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-101-8337
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 54A44B26-3 · 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
•
UNDERCUT WIDTH: 0.028 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 0.288 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
•
UNDER HEAD LENGTH: 1.390 INCHES NOMINAL IN
•
STYLE DESIGNATOR: GROOVE
•
PIN HEAD DIAMETER: 0.375 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.310 INCHES NOMINAL IN
•
EFFECTIVE LENGTH: 1.330 INCHES MINIMUM AND 1.335 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.028 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.288 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
UNDER HEAD LENGTH1.390 INCHES NOMINAL IN
STYLE DESIGNATORGROOVE
PIN HEAD DIAMETER0.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.310 INCHES NOMINAL IN
EFFECTIVE LENGTH1.330 INCHES MINIMUM AND 1.335 INCHES MAXIMUM IN
HEAD STYLEFLAT
HEIGHT0.030 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 54A44B26-3?
54A44B26-3 is a PIN,GROOVED,HEADED.
What is the NSN for 54A44B26-3?
54A44B26-3 is cataloged in the U.S. Government catalog under NSN 5315-00-101-8337. 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.