PartsTable
Technical Data Sheet

661-5B/PC.22 — ADAPTER BUSHING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

661-5B/PC.22: ADAPTER BUSHING.

The ADAPTER BUSHING is a the manufacturer industrial component. Key specifications include material: ALUMINUM FRAME, tinted_pane: INCLUDED, pane_thickness: 0.188 INCHES NOMINAL IN, special_features: WINDOW,SLIDER, mounting_position: RIGHT DOOR, frame_overall_width: 31.630 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-231-3982, 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
661-5B/PC.22
NSN: 4730-01-231-3982
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 85130 — FLOWSERVE CORPORATION DIV FLOWSERVE US INC (USA)
SPECIFICATIONS
materialALUMINUM FRAME
tinted_paneINCLUDED
pane_quantity2
pane_thickness0.188 INCHES NOMINAL IN
special_featuresWINDOW,SLIDER
mounting_positionRIGHT DOOR
frame_overall_width31.630 INCHES NOMINAL IN
frame_overall_length31.220 INCHES NOMINAL IN
end_item_identificationWEAPON SYSTEM E/I TRUCK, FIRE/CRASH P23
NSN4730-01-231-3982
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 661-5B/PC.22 · 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
SUBSTITUTES & CROSS-REFERENCES 1
600-5-22Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required (F)
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FREQUENTLY ASKED QUESTIONS
What is 661-5B/PC.22?
661-5B/PC.22 is a ADAPTER BUSHING.
What parts can replace 661-5B/PC.22?
There is 1 known substitute for 661-5B/PC.22: 600-5-22. Substitute compatibility should be verified for your specific system.
What is the NSN for 661-5B/PC.22?
661-5B/PC.22 is cataloged in the U.S. Government catalog under NSN 4730-01-231-3982. 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.