PartsTable
Technical Data Sheet
Download PDF

33-055990-01 — WASHER,SHOULDERED AND RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

33-055990-01: WASHER,SHOULDERED AND RECESSED.

The WASHER,SHOULDERED AND RECESSED is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, recess_angle: 1.040 DEGREES NOMINAL, recess_diameter: 1.040 INCHES NOMINAL IN, outside_diameter: 2.000 INCHES NOMINAL IN, style_designator: SHOULDERED AND RECESSED, material_thickness: 0.180 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-274-2262, 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
33-055990-01
NSN: 5310-01-274-2262
FSC: 5310 — Nuts and Washers
CAGE: 26916 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV MULTIPLE (USA)
SPECIFICATIONS
materialRUBBER OVERALL
recess_angle1.040 DEGREES NOMINAL
recess_diameter1.040 INCHES NOMINAL IN
outside_diameter2.000 INCHES NOMINAL IN
style_designatorSHOULDERED AND RECESSED
material_thickness0.180 INCHES NOMINAL IN
material_document_and_classificationASTM-2000 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-274-2262
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 33-055990-01 · 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: SHOULDERED AND RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-2000 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.180 INCHES NOMINAL IN
•
RECESS DIAMETER: 1.040 INCHES NOMINAL IN
•
MATERIAL: RUBBER OVERALL
•
RECESS ANGLE: 1.040 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSHOULDERED AND RECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-2000 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
MATERIAL THICKNESS0.180 INCHES NOMINAL IN
RECESS DIAMETER1.040 INCHES NOMINAL IN
MATERIALRUBBER OVERALL
RECESS ANGLE1.040 DEGREES NOMINAL
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
No demilitarization required
Ready to buy 33-055990-01?
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 33-055990-01?
33-055990-01 is a WASHER,SHOULDERED AND RECESSED.
What is the NSN for 33-055990-01?
33-055990-01 is cataloged in the U.S. Government catalog under NSN 5310-01-274-2262. 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 — 33-055990-01

✓ 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.