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3771000-3 — CLAMP,INSTRUMENT MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3771000-3: CLAMP,INSTRUMENT MOUNTING.

The CLAMP,INSTRUMENT MOUNTING is a the manufacturer industrial component. Key specifications include width: 3.165 INCHES MINIMUM AND 3.185 INCHES MAXIMUM IN, length: 7.0 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061, furnished_items: SCREW, surface_treatment: ANODIZE, material_document_and_classification: QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OR AQMS-QQ-A-250/11 ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-626-8774, 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
3771000-3
NSN: 5340-01-626-8774
FSC: 5340 — Hardware, Commercial
CAGE: 4X9S5 — AVIONICS MOUNTS INC (USA)
SPECIFICATIONS
width3.165 INCHES MINIMUM AND 3.185 INCHES MAXIMUM IN
length7.0 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061
furnished_itemsSCREW
surface_treatmentANODIZE
material_document_and_classificationQQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OR AQMS-QQ-A-250/11 ASSN STD SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyARINC SHELF TYPE CLAMPS, 7" DEEP
surface_treatment_document_and_classificationMIL-A-8625, TYPE 2, CLASS 2, CLEAR MIL SPEC SINGLE TREATMENT RESPONSE
center_to_center_distance_between_bolt_holes_along_width3.055 INCHES MINIMUM AND 3.065 INCHES MAXIMUM IN
NSN5340-01-626-8774
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3771000-3 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: 7.0 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625, TYPE 2, CLASS 2, CLEAR MIL SPEC SINGLE TREATMENT RESPONSE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OR AQMS-QQ-A-250/11 ASSN STD SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: ANODIZE
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 3.055 INCHES MINIMUM AND 3.065 INCHES MAXIMUM IN
•
WIDTH: 3.165 INCHES MINIMUM AND 3.185 INCHES MAXIMUM IN
•
MATERIAL: ALUMINUM ALLOY 6061
TECHNICAL CHARACTERISTICS
LENGTH7.0 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 2, CLASS 2, CLEAR MIL SPEC SINGLE TREATMENT RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OR AQMS-QQ-A-250/11 ASSN STD SINGLE MATERIAL RESPONSE
SURFACE TREATMENTANODIZE
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH3.055 INCHES MINIMUM AND 3.065 INCHES MAXIMUM IN
WIDTH3.165 INCHES MINIMUM AND 3.185 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYARINC SHELF TYPE CLAMPS, 7" DEEP
MATERIALALUMINUM ALLOY 6061
FURNISHED ITEMSSCREW
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3771000-3?
3771000-3 is a CLAMP,INSTRUMENT MOUNTING.
What is the NSN for 3771000-3?
3771000-3 is cataloged in the U.S. Government catalog under NSN 5340-01-626-8774. 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.