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1.011.2101 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1.011.2101: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include special_features: DIA. 25 X 37 MM, 1.6 MEGAPIXELS, HI-SPEED USB 2.0, 9FT CABLE MM, part_name_assigned_by_controlling_agency: DIGITAL INTRAORAL SENSOR.

This part is cataloged in the U.S. Government catalog under NSN 5310-00-533-9737, 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
1.011.2101
NSN: 5310-00-533-9737
NIINs: 005339737, 011854706, 016414869
FSC: 5310 — Nuts and Washers
CAGE: 35351 — GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
special_featuresDIA. 25 X 37 MM, 1.6 MEGAPIXELS, HI-SPEED USB 2.0, 9FT CABLE MM
part_name_assigned_by_controlling_agencyDIGITAL INTRAORAL SENSOR
NSN5310-00-533-9737
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1.011.2101 · 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
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HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
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STYLE DESIGNATOR: RECESSED
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MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626 COND C MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5626 COND D MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
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OUTSIDE DIAMETER: 0.348 INCHES MINIMUM AND 0.352 INCHES MAXIMUM IN
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MATERIAL THICKNESS: 0.064 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
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RECESS DIAMETER: 0.238 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
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MATERIAL: STEEL COMP 4130 OVERALL
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HOLE DIAMETER: 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 COND C MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5626 COND D MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.348 INCHES MINIMUM AND 0.352 INCHES MAXIMUM IN
MATERIAL THICKNESS0.064 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
RECESS DIAMETER0.238 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
MATERIALSTEEL COMP 4130 OVERALL
HOLE DIAMETER0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
RECESS ANGLE90.0 DEGREES NOMINAL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1.011.2101?
1.011.2101 is a WASHER,RECESSED.
What is the NSN for 1.011.2101?
1.011.2101 is cataloged in the U.S. Government catalog under NSN 5310-00-533-9737. 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.