The Plug Assembly,sealing, cataloged under National Stock Number 5340-01-556-4661, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Nd Defense Llc. Government technical data includes 3 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-556-4661 |
| Primary Part Number | 21264R1 |
| Item Name | Plug Assembly,sealing |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | Nd Defense Llc |
| Status | ACTIVE |
| Overall Diameter | 1.390 INCHES MINIMUM AND 1.394 INCHES MAXIMUM IN |
| Surface Treatment | ZINC |
| Material | STEEL COMP 1010 OR STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 21264R1 PRIMARY | Nd Defense Llc (USA) |
| ESP-J-15.201-NPP | Nd Defense Llc (USA) |
NSN 5340-01-556-4661 is a Plug Assembly,sealing, manufactured by Nd Defense Llc, classified under FSC 5340 (No Item Name Available). Status: active.
NSN 5340-01-556-4661 has 2 cross-referenced part numbers: 21264R1 (Nd Defense Llc), ESP-J-15.201-NPP (Nd Defense Llc).
There are 2 known substitutes for 5340-01-556-4661: 4730-01-556-6504, 5365-01-556-7105. Verify interchangeability with system specifications before substitution.
Key specifications for 21264R1: Special Features: 3/8 CUP PLUG, OVERALL HT- .300 MIN - .340 MAX, CROWN HT- .077 MIN - .113 MAX, STOCK THKNS- .060 +- 003, RECOMMENDED HOLE DIA- 1.378 MIN- 1.381 MAX.; End Item Identification: MRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS; Part Name Assigned by Controlling Agency: CUP,OIL ENG BREATHER 1-3/8; Overall Diameter: 1.390 INCHES MINIMUM AND 1.394 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.