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11501131-3 — COLLAR,AIR CONDITIONING-HEATING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

11501131-3: COLLAR,AIR CONDITIONING-HEATING.

COLLAR,AIR CONDITIONING-HEATING. Key specifications include material: PLASTIC, special_features: BELLOWS DESIGN; 0.680 IN. FLANGE WIDTH EACH END IN, style_designator: RECTANGULAR OR SQUARE, fitting_inside_width: 12.880 INCHES NOMINAL IN, fitting_inside_height: 15.120 INCHES NOMINAL IN, fitting_overall_length: 4.460 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 4520-01-118-7260, 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
11501131-3
NSN: 4520-01-118-7260
FSC: 4520 — Space and Water Heating Equipment
CAGE: 04939 — LOCKHEED MARTIN CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC
special_featuresBELLOWS DESIGN; 0.680 IN. FLANGE WIDTH EACH END IN
style_designatorRECTANGULAR OR SQUARE
fitting_inside_width12.880 INCHES NOMINAL IN
fitting_inside_height15.120 INCHES NOMINAL IN
fitting_overall_length4.460 INCHES NOMINAL IN
NSN4520-01-118-7260
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COLLAR,AIR CONDITIONING-HEATING TITLE COMPONENT PN 11501131-3 MFR COLLAR,AIR CONDITIONIN
KEY FEATURES
•
FITTING INSIDE HEIGHT: 15.120 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR OR SQUARE
•
FITTING INSIDE WIDTH: 12.880 INCHES NOMINAL IN
•
MATERIAL: PLASTIC
•
FITTING OVERALL LENGTH: 4.460 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FITTING INSIDE HEIGHT15.120 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR OR SQUARE
FITTING INSIDE WIDTH12.880 INCHES NOMINAL IN
SPECIAL FEATURESBELLOWS DESIGN; 0.680 IN. FLANGE WIDTH EACH END IN
MATERIALPLASTIC
FITTING OVERALL LENGTH4.460 INCHES NOMINAL IN
OTHER ITEMS IN FSC 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098 4520-00-000-0099 4520-00-001-1240 4520-00-001-3518 4520-00-001-3519 4520-00-001-6052 4520-00-001-6298 4520-00-001-7726
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 11501131-3?
11501131-3 is a COLLAR,AIR CONDITIONING-HEATING.
What is the NSN for 11501131-3?
11501131-3 is cataloged in the U.S. Government catalog under NSN 4520-01-118-7260. 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.