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HS4171-2 — BOLT,BARREL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

HS4171-2: BOLT,BARREL.

The BOLT,BARREL is a the manufacturer industrial component. Key specifications include length: 1.750 INCHES NOMINAL HOUSING IN, diameter: 0.250 INCHES NOMINAL PIN IN, material: STEEL CORROSION RESISTING SPRING, special_features: HOUSING THICKNESS 0.050, LEFT HAND PIN EXTENSION 0.50, surface_treatment: PASSIVATE SPRING, end_item_identification: AH-60A A. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-182-5133, 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
HS4171-2
NSN: 5340-01-182-5133
FSC: 5340 — Hardware, Commercial
CAGE: 58794 — FASTENER TECHNOLOGY CORP (USA)
SPECIFICATIONS
length1.750 INCHES NOMINAL HOUSING IN
diameter0.250 INCHES NOMINAL PIN IN
materialSTEEL CORROSION RESISTING SPRING
special_featuresHOUSING THICKNESS 0.050, LEFT HAND PIN EXTENSION 0.50
surface_treatmentPASSIVATE SPRING
end_item_identificationAH-60A A
part_name_assigned_by_controlling_agencyLATCH, RELEASE HINGE
surface_treatment_document_and_classificationMIL-A-8625,TYPE 1,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE HOUSING
NSN5340-01-182-5133
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HS4171-2 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
•
LENGTH: 1.750 INCHES NOMINAL HOUSING IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TYPE 1,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE HOUSING
•
DIAMETER: 0.250 INCHES NOMINAL PIN IN
•
SURFACE TREATMENT: ANODIZE HOUSING
TECHNICAL CHARACTERISTICS
LENGTH1.750 INCHES NOMINAL HOUSING IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 1,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE HOUSING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 MIL SPEC SINGLE TREATMENT RESPONSE SPRING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 1,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE PIN
DIAMETER0.250 INCHES NOMINAL PIN IN
SPECIAL FEATURESHOUSING THICKNESS 0.050, LEFT HAND PIN EXTENSION 0.50
SURFACE TREATMENTANODIZE HOUSING
SURFACE TREATMENTPASSIVATE SPRING
SURFACE TREATMENTCADMIUM PIN
PART NAME ASSIGNED BY CONTROLLING AGENCYLATCH, RELEASE HINGE
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 2
H1000D1B50NLReference document
Same NSN cross-reference
Reference document — Secondary reference
F6-20-D1B50NLReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HS4171-2?
HS4171-2 is a BOLT,BARREL.
What parts can replace HS4171-2?
There are 2 known substitutes for HS4171-2: H1000D1B50NL, F6-20-D1B50NL. Substitute compatibility should be verified for your specific system.
What is the NSN for HS4171-2?
HS4171-2 is cataloged in the U.S. Government catalog under NSN 5340-01-182-5133. 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.