PartsTable
Technical Data Sheet

1275/12 — CAP,FILLER OPENING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1275/12: CAP,FILLER OPENING.

The CAP,FILLER OPENING is a the manufacturer industrial component. Key specifications include overall_length: 12.0 INCHES NOMINAL IN, special_features: THREAD CONNECTION 3 INCHES IN, locking_device_type: PADLOCK EYES, retaining_device_type: HINGE, end_item_identification: FUEL,SYSTEM G, thread_series_designator: NPT. This part is cataloged in the U.S.

Government catalog under NSN 2590-01-420-9947, 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
1275/12
NSN: 2590-01-420-9947
NIINs: 014209947, 016625601
FSC: 2590 — Miscellaneous Vehicular Components
CAGE: 49234 — PROTECTOSEAL CO CONTAINER DIV (USA)
SPECIFICATIONS
overall_length12.0 INCHES NOMINAL IN
special_featuresTHREAD CONNECTION 3 INCHES IN
locking_device_typePADLOCK EYES
retaining_device_typeHINGE
end_item_identificationFUEL,SYSTEM G
thread_series_designatorNPT
part_name_assigned_by_controlling_agencyFUEL,CAP
NSN2590-01-420-9947
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAP,FILLER OPENING TITLE COMPONENT PN 1275/12 MFR CAP,FILLER OPENING
KEY FEATURES
•
FILLER NECK DIAMETER FOR WHICH DESIGNED: 3.000 INCHES NOMINAL IN
•
THREAD DIAMETER: 3.000 INCHES NOMINAL IN
•
LOCKING DEVICE TYPE: PADLOCK EYES
•
SYSTEM FOR WHICH DESIGNED: PRESSURIZED
•
PRESSURE RELIEF METHOD: MANUAL
•
THREAD SERIES DESIGNATOR: NPT
TECHNICAL CHARACTERISTICS
FILLER NECK DIAMETER FOR WHICH DESIGNED3.000 INCHES NOMINAL IN
THREAD DIAMETER3.000 INCHES NOMINAL IN
LOCKING DEVICE TYPEPADLOCK EYES
SYSTEM FOR WHICH DESIGNEDPRESSURIZED
PRESSURE RELIEF METHODMANUAL
END ITEM IDENTIFICATION3930-01-378-7497
THREAD SERIES DESIGNATORNPT
SUBSTITUTES & CROSS-REFERENCES 1
1400925Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 1275/12?
1275/12 is a CAP,FILLER OPENING.
What parts can replace 1275/12?
There is 1 known substitute for 1275/12: 1400925. Substitute compatibility should be verified for your specific system.
What is the NSN for 1275/12?
1275/12 is cataloged in the U.S. Government catalog under NSN 2590-01-420-9947. 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.