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RJFC7B — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

RJFC7B: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM ALLOY, design_type: THREADED, overall_diameter: 1.331 INCHES NOMINAL IN, special_features: CAP HAS 4.134" NYLON LANYARD WITH 1.266" DIA RING., end_item_identification: 5895-01-577-3173, part_name_assigned_by_controlling_agency: RJFC 7 X PROTECTIVE CAP. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-597-6754, 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
RJFC7B
NSN: 5340-01-597-6754
FSC: 5340 — Hardware, Commercial
CAGE: 77820 — AMPHENOL CORP DIV AMPHENOL AEROSPACE OPERATIONS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeTHREADED
overall_diameter1.331 INCHES NOMINAL IN
special_featuresCAP HAS 4.134" NYLON LANYARD WITH 1.266" DIA RING.
end_item_identification5895-01-577-3173
part_name_assigned_by_controlling_agencyRJFC 7 X PROTECTIVE CAP
NSN5340-01-597-6754
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RJFC7B 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
•
DESIGN TYPE: THREADED
•
OVERALL DIAMETER: 1.331 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
DESIGN TYPETHREADED
OVERALL DIAMETER1.331 INCHES NOMINAL IN
SPECIAL FEATURESCAP HAS 4.134" NYLON LANYARD WITH 1.266" DIA RING.
PART NAME ASSIGNED BY CONTROLLING AGENCYRJFC 7 X PROTECTIVE CAP
END ITEM IDENTIFICATION5895-01-577-3173
MATERIALALUMINUM ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
10397701Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 RJFC7B?
RJFC7B is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace RJFC7B?
There is 1 known substitute for RJFC7B: 10397701. Substitute compatibility should be verified for your specific system.
What is the NSN for RJFC7B?
RJFC7B is cataloged in the U.S. Government catalog under NSN 5340-01-597-6754. 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.