57911
✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, body_length: 0.400 INCHES NOMINAL IN, body_diameter: 0.140 INCHES NOMINAL IN, terminal_type: WIRE LEAD, inclosure_type: HERMETICALLY SEALED, overall_height: 1.5937 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-248-3833, 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 →
57911
NSN: 5331-00-248-3833 FSC: 5331 — O-RINGCAGE: 55820 — RTX CORPORATION DIV PRATT & WHITNEY (USA)
SPECIFICATIONS
material RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR body_length 0.400 INCHES NOMINAL IN body_diameter 0.140 INCHES NOMINAL IN terminal_type WIRE LEAD inclosure_type HERMETICALLY SEALED overall_height 1.5937 INCHES NOMINAL IN overall_length 1.000 INCHES NOMINAL IN terminal_length 1.500 INCHES NOMINAL IN outside_diameter 0.305 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN overall_diameter 0.440 INCHES NOMINAL IN special_features CARD,RESISTANCE 1;RING,RETAINING 1;MOUNTS IN NEXT ASSY AND HELD BY RETAINING RING;ITEM IS RADAR SET,ACFT GUNNERY FIRE CONTROL style_designator AXIAL TERMINAL EACH END NSN 5331-00-248-3833
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION
ID: —
CROSS-SECTION
CS: —
SPECIFICATION
Material: —
Durometer: —
Temp: —
PN: 57911
MFR: OEM
⚠ VERIFY BEFORE ORDERING
Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade.
Chemical incompatibility causes swelling, brittleness, or rapid degradation
✓ BROKER TIP
Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure.
Standard durometer is 70A — verify if application requires different hardness
PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
• MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
• CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
• OUTSIDE DIAMETER: 0.305 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
• CENTER HOLE DIAMETER: 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION W/S: L.P. COMPRESSORS; AIRCRAFT (AC-130H, MC-130H, EC-130E, HC-130); ENGINE, AIRCRAFT TF33-PW-102 (C-135E, EC-135H/K/P); RADAR SET AN/TPN-18; FIRE CONTROL SYSTEM, MISSILE MK 74 (FCS); ENGINE, AIRCRAFT TF33-P-3/5/9 (C/EC-135, B-52H); FIRE CONTROL SYSTEM, MK 92 (FCS); AIR COMPRESSORS, HIGH PRESSURE; MAIN FEED PUMPS MATERIAL RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR CROSS-SECTIONAL HEIGHT 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN OUTSIDE DIAMETER 0.305 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN CENTER HOLE DIAMETER 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
0509 Interchangeable interchangeable cross-reference
interchangeable
00509 Interchangeable interchangeable cross-reference
interchangeable
00508 Interchangeable interchangeable cross-reference
interchangeable
R1393P005 Interchangeable interchangeable cross-reference
interchangeable
R1393 Interchangeable interchangeable cross-reference
interchangeable
100706 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 57911?
57911 is a RESISTOR,FIXED,WIRE WOUND,INDUCT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 57911?
There are 26 known substitutes for 57911: 0509, 00509, 00508 and 23 more. Substitute compatibility should be verified for your specific system.
Is 57911 still available?
57911 is currently cancelled.