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11A — RECEIVER-TRANSMITTER,RADIO

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

11A: RECEIVER-TRANSMITTER,RADIO.

The RECEIVER-TRANSMITTER,RADIO is a the manufacturer industrial component. Key specifications include end_item_identification: AV-8B ACFT, part_name_assigned_by_controlling_agency: CUFF KNEE CRYOTHERAPEUTIC UNIVERSAL SZ POLYURETHANE COATED NYLON. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-199-5302, 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
MRO→ MRO_GENERAL→ 11A
NSN: 5310-00-199-5302
NIINs: 001995302, 002771243, 003159150, 003311445, 005290496, 005571471, 005982825, 006053914, 007354393, 009347929, 010066051, 013289052, 013712437
FSC: 5310 — Nuts and Washers
CAGE: 99267 — BOHN ALUMINUM AND BRASS CO DIV OF GULF AND WESTERN MFG CO SUB OF GULF AND WESTERN INDUSTRIES (USA)
SPECIFICATIONS
end_item_identificationAV-8B ACFT
part_name_assigned_by_controlling_agencyCUFF KNEE CRYOTHERAPEUTIC UNIVERSAL SZ POLYURETHANE COATED NYLON
NSN5310-00-199-5302
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11A · 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
•
WIDTH ACROSS FLATS: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
•
THREAD SERIES: UNF
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-635 FED SPEC 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
NUT HEIGHT: 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
•
COUNTERSINK ANGLE: 90.0 DEGREES NOMINAL NUT
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
THREAD SERIESUNF
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-635 FED SPEC 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
NUT HEIGHT0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
COUNTERSINK ANGLE90.0 DEGREES NOMINAL NUT
NUT STYLESLOTTED, HEXAGON
THREAD CLASS3B
SUBSTITUTES & CROSS-REFERENCES 5
X18188Reference document
Same NSN cross-reference
Reference document — Secondary reference
3990E9050Reference document
Same NSN cross-reference
Reference document — Secondary reference
10M055Reference document
Same NSN cross-reference
Reference document — Secondary reference
M16828Reference document
Same NSN cross-reference
Reference document — Secondary reference
1309Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11A?
11A is a RECEIVER-TRANSMITTER,RADIO. It is classified as a MRO (MRO_GENERAL).
What parts can replace 11A?
There are 5 known substitutes for 11A: X18188, 3990E9050, 10M055 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11A?
11A is cataloged in the U.S. Government catalog under NSN 5310-00-199-5302. 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.