PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77181Cover,access

Pti Technologies Inc. · NSN 5340-01-147-3127 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-147-3127 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-147-3127. Primary manufacturer part number: 77181.
Features
  • Cover,access — FSC 5340
  • Mounting Opening Shape Style: UNTHREADED HOLE
  • Peripheral Shape Style: RECTANGLE, TWO HOLES
  • Cross-Sectional Shape Style: FLAT
  • Body Thickness: 0.032 INCHES NOMINAL IN
  • Distance From First Hole Centerline to End Along Length: 0.225 INCHES NOMINAL IN
  • Features Provided: OBSERVATION FACILITY
  • Length: 1.050 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 6061 construction
General Description

The Cover,access, cataloged under National Stock Number 5340-01-147-3127, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pti Technologies Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-147-3127
Primary Part Number77181
Item NameCover,access
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerPti Technologies Inc.
StatusACTIVE
Mounting Opening Shape StyleUNTHREADED HOLE
Peripheral Shape StyleRECTANGLE, TWO HOLES
Cross-Sectional Shape StyleFLAT
Body Thickness0.032 INCHES NOMINAL IN
Distance From First Hole Centerline to End Along Length0.225 INCHES NOMINAL IN
Features ProvidedOBSERVATION FACILITY
Length1.050 INCHES NOMINAL IN
Distance Between Hole Centerline and First Hole Along Width0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
Corner Radius0.090 INCHES NOMINAL IN
Distance Between Hole Centerline and First Hole Along Length0.600 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 6061
Hole Diameter0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Material Document and ClassificationQQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE
Distance From First Hole Centerline to End Along Width0.100 INCHES NOMINAL IN
Width0.545 INCHES NOMINAL IN
Securing Device TypeSPECIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
4720-01-267-5990 INTERCHANGEABLE
Hose Assembly,nonmetallic
Cross-Reference Index
Part NumberManufacturer
77181 Pti Technologies Inc. (USA)
77181 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
77181 Vacco Industries (USA)
Related Parts
4720-01-267-5990INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC

Frequently Asked Questions

What is NSN 5340-01-147-3127?

NSN 5340-01-147-3127 is a Cover,access, manufactured by Pti Technologies Inc., classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-147-3127?

NSN 5340-01-147-3127 has 3 cross-referenced part numbers: 77181 (Pti Technologies Inc.), 77181 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 77181 (Vacco Industries).

What NSN replaces 5340-01-147-3127?

There is 1 known substitute for 5340-01-147-3127: 4720-01-267-5990. Verify interchangeability with system specifications before substitution.

What are the specifications of 77181?

Key specifications for 77181: Mounting Opening Shape Style: UNTHREADED HOLE; Peripheral Shape Style: RECTANGLE, TWO HOLES; Cross-Sectional Shape Style: FLAT; Body Thickness: 0.032 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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