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37800-1 — BAR,UPLOCK STOW

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

37800-1: BAR,UPLOCK STOW.

The BAR,UPLOCK STOW is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: ALUMINUM ALLOY; 1 IN. DIA X 23.55 IN.

O/A LG IN. This part is cataloged in the U.S. Government catalog under NSN 5340-01-138-6801, 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
37800-1
NSN: 5340-01-138-6801
NIINs: 011386801, 015674335
FSC: 5340 — Hardware, Commercial
CAGE: 78710 — TRIUMPH CONTROLS, LLC DBA TRIUMPH CONTROLS, LLC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionALUMINUM ALLOY; 1 IN. DIA X 23.55 IN. O/A LG IN
NSN5340-01-138-6801
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 37800-1 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
•
FSC APPLICATION DATA: A-10A AIRCRAFT ENGINE A
•
OPENING INSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.344 INCHES NOMINAL IN
•
BODY HEIGHT: 3.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THRU-HOLE, EXPANDABLE
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MATERIAL DOCUMENT AND CLASSIFICATION: B6657-1 MFR REF SINGLE MATERIAL RESPONSE BODY
•
MATERIAL THICKNESS: 0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT4.000 INCHES NOMINAL IN
FSC APPLICATION DATAA-10A AIRCRAFT ENGINE A
OPENING INSIDE DIAMETER0.625 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.344 INCHES NOMINAL IN
BODY HEIGHT3.375 INCHES NOMINAL IN
STYLE DESIGNATORTHRU-HOLE, EXPANDABLE
MATERIAL DOCUMENT AND CLASSIFICATIONB6657-1 MFR REF SINGLE MATERIAL RESPONSE BODY
MATERIAL THICKNESS0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
SPECIAL FEATURESCOMPRESSED ID 0.812 IN.; END PLUG 0.688 IN. OD,0.375 MIN 0.390 IN. MAX ID,0.625 IN. L; USED ON 7-43057 THROTTLE CONTROL IN
MATERIALRUBBER BODY
SUBSTITUTES & CROSS-REFERENCES 1
3780001-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 37800-1?
37800-1 is a BAR,UPLOCK STOW.
What parts can replace 37800-1?
There is 1 known substitute for 37800-1: 3780001-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 37800-1?
37800-1 is cataloged in the U.S. Government catalog under NSN 5340-01-138-6801. 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.