NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5340 › 5340-00-128-1712
Helical Compression Spring Seat P/N 206-031-580-1
In stock — 4 on our U.S. shelfNSN 5340-00-128-1712 5340001281712 NIIN 001281712
SECO Parts has 4 in stock of NSN 5340-00-128-1712 — Helical Compression Spring Seat — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Government catalog (FEDLOG) price: $226.48 per each — a public reference, not our price. We quote each request, usually the same business day, and surplus parts often quote below or above it.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- SEAT,HELICAL COMPRESSION SPRING
- SECO description
- SEAT, HELICAL COMP
- Federal supply class
- FSC 5340 — Hardware, Commercial
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 4 |
| Total | 4 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5340-00-128-1712 001281712 206-031-580-1
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Distance from end to first step
- 0.3100–0.3300 in
- Surface treatment
- Chromate Zinc
- Test data document
- Specification (Includes Engineering Type Bulletins, Brochures,Etc., That Reflect Specification Type Data in Specification Format; Excludes Commercial Catalogs, Industry Directories, and Similar Trade Publications, Reflecting General Type Data on Certain Environmental and Performance Requirements and Test Conditions That Are Shown AS "Typical", "Average", "Nominal", Etc.). 97499-BS4089
- Special features
- Two Sides of First Step Flattenedto 1.2500 In. Across Flats,Four Mtg Holes Parallel to Bore Thru First Step 0.125 In. Dia,0.750 In. C to C
- Second end diameter
- 0.6100–0.6300 in
- Design type
- Solid
- Material
- Aluminum Alloy 356.0
- End diameter
- 0.6100–0.6300 in
- Bore diameter
- 0.3250–0.3450 in
- Counterbore length
- 1.2800–1.3400 in
- Counterbore diameter
- 0.4990–0.5010 in
- Overall height
- 1.4200–1.4400 in
- First step diameter
- 1.5900–1.6500 in
- First step length
- 0.0700–0.0900 in
- Material document and classification
- Assn STD Single Material Response A-S 4260
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
206-031-580-1
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | J Not stocked, centrally procured — the government does not stock this item; it is procured only when a requisition arrives. SECO has 4 on the shelf |
| Unit of issue | EA each |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | P No HMIS record; MSDS may apply by end use |
Source: public FLIS/PUB LOG cataloging data.
Why buy from SECO
These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.
In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered
FAQ
What is NSN 5340-00-128-1712?
NSN 5340-00-128-1712 (5340001281712) — Helical Compression Spring Seat: SECO Parts has 4 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for helical compression spring seat in federal supply class 5340 (Hardware, Commercial).
Is NSN 5340-00-128-1712 available?
SECO Parts has 4 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5340-00-128-1712 cost?
The government catalog (FEDLOG) lists NSN 5340-00-128-1712 at $226.48 per each. That is a public reference, not SECO's price: SECO quotes each request, usually the same business day, and surplus parts often quote below or above it.
What part numbers cross-reference to NSN 5340-00-128-1712?
Part numbers that cross-reference this NSN include 206-031-580-1. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names SEAT,HELICAL COMPRESSION SPRING. Same name is not the same part: check the part numbers.