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44191C135 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

44191C135: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018 OVERALL, recess_depth: 0.160 INCHES NOMINAL IN, hole_diameter: 0.400 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN, overall_height: 0.280 INCHES NOMINAL IN, outside_diameter: 1.220 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN, style_designator: RECESSED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-165-5097, 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
44191C135
NSN: 5310-00-165-5097
FSC: 5310 — Nuts and Washers
CAGE: 82402 — TRIUMPH GEAR SYSTEMS INC DBA TRIUMPH GEAR SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1018 OVERALL
recess_depth0.160 INCHES NOMINAL IN
hole_diameter0.400 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
overall_height0.280 INCHES NOMINAL IN
outside_diameter1.220 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
style_designatorRECESSED
surface_treatmentOXIDE FILM OVERALL
material_thickness0.117 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-634,COMP 1018 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-165-5097
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 44191C135 · 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
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634,COMP 1018 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.220 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
•
RECESS DEPTH: 0.160 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.117 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN
•
SURFACE TREATMENT: OXIDE FILM OVERALL
•
MATERIAL: STEEL COMP 1018 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.280 INCHES NOMINAL IN
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634,COMP 1018 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.220 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
RECESS DEPTH0.160 INCHES NOMINAL IN
MATERIAL THICKNESS0.117 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN
SURFACE TREATMENTOXIDE FILM OVERALL
MATERIALSTEEL COMP 1018 OVERALL
HOLE DIAMETER0.400 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
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 44191C135?
44191C135 is a WASHER,RECESSED.
What is the NSN for 44191C135?
44191C135 is cataloged in the U.S. Government catalog under NSN 5310-00-165-5097. 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.