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Technical Data Sheet
PartsTable / COMPONENT / 540-1-04
540-1-04 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The ANTENNA is a the manufacturer industrial component. Key specifications include document_type: CATALOG SHEET, document_source: 03018, special_features: HIGH ANGLE; HLP, component_quantity: 40, end_item_identification: COMMUNICATION STATIONS, component_document_origin: INDUSTRIAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-891-0268, 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
540-1-04
NSN: 4730-00-891-0268
FSC: 4730
CAGE: 0MKW7 — MINNPAR, LLC DBA MINNPAR (USA)
SPECIFICATIONS
document_typeCATALOG SHEET
document_source03018
special_featuresHIGH ANGLE; HLP
component_quantity40
end_item_identificationCOMMUNICATION STATIONS
component_document_originINDUSTRIAL
supply_items_and_quantities12EA THREAD REPAIR INSERTS 4-40 LENGTHS .112,.168,.224;DRILL,HIGH SPEED TAP,INSTALLATION TOOL,TANG BREAKOFF TOOL,PLASTIC CASE
part_name_assigned_by_controlling_agencyINSERT AND TOOL SET,SCREW THREAD
NSN4730-00-891-0268
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 540-1-04 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
540-1-04Interchangeable
interchangeable cross-reference
interchangeable
11B5090739-1Interchangeable
interchangeable cross-reference
interchangeable
11B5090739Interchangeable
interchangeable cross-reference
interchangeable
M0540104Interchangeable
Same NIIN cross-reference
interchangeable
2565194Interchangeable
Same NIIN cross-reference
interchangeable
43H1262Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 540-1-04?
540-1-04 is a ANTENNA.
What parts can replace 540-1-04?
There are 8 known substitutes for 540-1-04: 540-1-04, 11B5090739-1, 11B5090739 and 5 more. Substitute compatibility should be verified for your specific system.
Is 540-1-04 still available?
540-1-04 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026