PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HHP51ANDTYPE3ANDGRADEAPacking Material

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5330-00-240-1977 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-240-1977 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-240-1977. Primary manufacturer part number: HHP51ANDTYPE3ANDGRADEA.
Features
  • Packing Material — FSC 5330
  • Cross-Sectional Shape Style: CIRCULAR
  • Cross Section Outside Diameter: 0.375 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 3 TYPE AND A GRADE
  • Material: ASBESTOS CHRYSOTILE AND OIL LUBRICATING AND GRAPHITE
  • Material Document and Classification: HH-P-51, TYPE 3-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE
  • Lubrication Material: OIL
  • Fabrication Method: TWISTED
Applications
  • Applications requiring Asbestos Chrysotile and Oil Lubricating and Graphite construction
General Description

The Packing Material, cataloged under National Stock Number 5330-00-240-1977, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-240-1977
Primary Part NumberHHP51ANDTYPE3ANDGRADEA
Item NamePacking Material
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Cross-Sectional Shape StyleCIRCULAR
Cross Section Outside Diameter0.375 INCHES NOMINAL IN
Nondefinitive Spec/std Data3 TYPE AND A GRADE
MaterialASBESTOS CHRYSOTILE AND OIL LUBRICATING AND GRAPHITE
Material Document and ClassificationHH-P-51, TYPE 3-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE
Lubrication MaterialOIL
Fabrication MethodTWISTED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-240-1973 INTERCHANGEABLE
Packing Material
5330-00-240-197500-00-41688-0020 INTERCHANGEABLE
Packing Material
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5330-00-264-9598 INTERCHANGEABLE
Packing Material
5330-00-264-9599 INTERCHANGEABLE
Packing Material
5330-00-282-2091XGD-60-C-8 INTERCHANGEABLE
Packing Material
Blue Tee Corp. Dba Gefco
5330-00-559-6120 INTERCHANGEABLE
Packing Material
5330-00-576-9305325301PC6 INTERCHANGEABLE
Packing Material
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
HHP51ANDTYPE3ANDGRADEA Federal Specifications Promulgated by General Services Administration Washington DC (USA)
HHP51TYPE3GRADEA Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5330-00-240-1973INTERCHANGEABLE
PACKING MATERIAL
5330-00-240-1975INTERCHANGEABLE
PACKING MATERIAL
00-00-41688-0020
5330-00-264-9598INTERCHANGEABLE
PACKING MATERIAL
5330-00-264-9599INTERCHANGEABLE
PACKING MATERIAL
5330-00-282-2091INTERCHANGEABLE
PACKING MATERIAL
XGD-60-C-8
5330-00-559-6120INTERCHANGEABLE
PACKING MATERIAL
5330-00-576-9305INTERCHANGEABLE
PACKING MATERIAL
325301PC6

Frequently Asked Questions

What is NSN 5330-00-240-1977?

NSN 5330-00-240-1977 is a Packing Material, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-240-1977?

NSN 5330-00-240-1977 has 2 cross-referenced part numbers: HHP51ANDTYPE3ANDGRADEA (Federal Specifications Promulgated by General Services Administration Washington DC), HHP51TYPE3GRADEA (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5330-00-240-1977?

There are 7 known substitutes for 5330-00-240-1977: 5330-00-240-1973, 5330-00-240-1975, 5330-00-264-9598 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HHP51ANDTYPE3ANDGRADEA?

Key specifications for HHP51ANDTYPE3ANDGRADEA: Cross-Sectional Shape Style: CIRCULAR; Cross Section Outside Diameter: 0.375 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 3 TYPE AND A GRADE; Material: ASBESTOS CHRYSOTILE AND OIL LUBRICATING AND GRAPHITE. 7 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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